51111100604996 has 12 divisors (see below), whose sum is σ = 89444493827052. Its totient is φ = 25555530940128.

The previous prime is 51111100604983. The next prime is 51111100605023. The reversal of 51111100604996 is 69940600111115.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1370805422596 + 49740295182400 = 1170814^2 + 7052680^2 .

It is a super-2 number, since 2×51111100604996² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254166 + ... + 10358738.

It is an arithmetic number, because the mean of its divisors is an integer number (7453707818921).

Almost surely, 2^{51111100604996} is an apocalyptic number.

It is an amenable number.

51111100604996 is a deficient number, since it is larger than the sum of its proper divisors (38333393222056).

51111100604996 is a wasteful number, since it uses less digits than its factorization.

51111100604996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681190 (or 9681188 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 51111100604996 in words is "fifty-one trillion, one hundred eleven billion, one hundred million, six hundred four thousand, nine hundred ninety-six".