51100135232511 has 8 divisors (see below), whose sum is σ = 68138631514800. Its totient is φ = 34064197885952.

The previous prime is 51100135232483. The next prime is 51100135232521. The reversal of 51100135232511 is 11523253100115.

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 51100135232511 - 2⁵ = 51100135232479 is a prime.

It is a super-2 number, since 2×51100135232511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51100135232521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639687336 + ... + 639767213.

It is an arithmetic number, because the mean of its divisors is an integer number (8517328939350).

Almost surely, 2^{51100135232511} is an apocalyptic number.

51100135232511 is a deficient number, since it is larger than the sum of its proper divisors (17038496282289).

51100135232511 is a wasteful number, since it uses less digits than its factorization.

51100135232511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279467865.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 51100135232511 its reverse (11523253100115), we get a palindrome (62623388332626).

The spelling of 51100135232511 in words is "fifty-one trillion, one hundred billion, one hundred thirty-five million, two hundred thirty-two thousand, five hundred eleven".