51397104111 has 8 divisors (see below), whose sum is σ = 68531284224. Its totient is φ = 34263830040.

The previous prime is 51397104107. The next prime is 51397104137. The reversal of 51397104111 is 11140179315.

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

It is not a de Polignac number, because 51397104111 - 2² = 51397104107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51397104211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80745 + ... + 330626.

It is an arithmetic number, because the mean of its divisors is an integer number (8566410528).

Almost surely, 2^51397104111 is an apocalyptic number.

51397104111 is a deficient number, since it is larger than the sum of its proper divisors (17134180113).

51397104111 is a wasteful number, since it uses less digits than its factorization.

51397104111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453021.

The product of its (nonzero) digits is 3780, while the sum is 33.

The spelling of 51397104111 in words is "fifty-one billion, three hundred ninety-seven million, one hundred four thousand, one hundred eleven".