51113434211 has 8 divisors (see below), whose sum is σ = 59372982624. Its totient is φ = 43093293120.

The previous prime is 51113434181. The next prime is 51113434241. The reversal of 51113434211 is 11243431115.

It is an interprime number because it is at equal distance from previous prime (51113434181) and next prime (51113434241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51113434211 - 2¹⁴ = 51113417827 is a prime.

It is a super-2 number, since 2×51113434211² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51113434241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59851370 + ... + 59852223.

It is an arithmetic number, because the mean of its divisors is an integer number (7421622828).

Almost surely, 2^51113434211 is an apocalyptic number.

51113434211 is a deficient number, since it is larger than the sum of its proper divisors (8259548413).

51113434211 is a wasteful number, since it uses less digits than its factorization.

51113434211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119703661.

The product of its digits is 1440, while the sum is 26.

Adding to 51113434211 its reverse (11243431115), we get a palindrome (62356865326).

The spelling of 51113434211 in words is "fifty-one billion, one hundred thirteen million, four hundred thirty-four thousand, two hundred eleven".