51104966495 has 48 divisors (see below), whose sum is σ = 70419222720. Its totient is φ = 35510576640.

The previous prime is 51104966489. The next prime is 51104966509. The reversal of 51104966495 is 59466940115.

51104966495 = 17517² + 17518² + ... + 17681².

It is not a de Polignac number, because 51104966495 - 2¹² = 51104962399 is a prime.

It is a super-2 number, since 2×51104966495² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17211371 + ... + 17214339.

It is an arithmetic number, because the mean of its divisors is an integer number (1467067140).

Almost surely, 2^51104966495 is an apocalyptic number.

51104966495 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51104966495 is a deficient number, since it is larger than the sum of its proper divisors (19314256225).

51104966495 is a wasteful number, since it uses less digits than its factorization.

51104966495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 50.

The spelling of 51104966495 in words is "fifty-one billion, one hundred four million, nine hundred sixty-six thousand, four hundred ninety-five".