51103335111025 has 6 divisors (see below), whose sum is σ = 63368135537702. Its totient is φ = 40882668088800.

The previous prime is 51103335111013. The next prime is 51103335111041. The reversal of 51103335111025 is 52011153330115.

It can be written as a sum of positive squares in 3 ways, for example, as 17723493765184 + 33379841345841 = 4209928^2 + 5777529^2 .

It is a de Polignac number, because none of the positive numbers 2^k-51103335111025 is a prime.

It is a super-2 number, since 2×51103335111025² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1022066702196 + ... + 1022066702245.

Almost surely, 2^{51103335111025} is an apocalyptic number.

It is an amenable number.

51103335111025 is a deficient number, since it is larger than the sum of its proper divisors (12264800426677).

51103335111025 is a wasteful number, since it uses less digits than its factorization.

51103335111025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2044133404451 (or 2044133404446 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 31.

The spelling of 51103335111025 in words is "fifty-one trillion, one hundred three billion, three hundred thirty-five million, one hundred eleven thousand, twenty-five".