51124100434513 has 4 divisors (see below), whose sum is σ = 51124221411840. Its totient is φ = 51123979457188.

The previous prime is 51124100434483. The next prime is 51124100434543. The reversal of 51124100434513 is 31543400142115.

51124100434513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (51124100434483) and next prime (51124100434543).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51124100434513 is a prime.

It is a super-2 number, since 2×51124100434513² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51124100434543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59852545 + ... + 60700702.

It is an arithmetic number, because the mean of its divisors is an integer number (12781055352960).

Almost surely, 2^{51124100434513} is an apocalyptic number.

It is an amenable number.

51124100434513 is a deficient number, since it is larger than the sum of its proper divisors (120977327).

51124100434513 is a wasteful number, since it uses less digits than its factorization.

51124100434513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120977326.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 51124100434513 its reverse (31543400142115), we get a palindrome (82667500576628).

The spelling of 51124100434513 in words is "fifty-one trillion, one hundred twenty-four billion, one hundred million, four hundred thirty-four thousand, five hundred thirteen".