51110032125 has 16 divisors (see below), whose sum is σ = 85047094080. Its totient is φ = 27258683600.

The previous prime is 51110032121. The next prime is 51110032133. The reversal of 51110032125 is 52123001115.

It is not a de Polignac number, because 51110032125 - 2² = 51110032121 is a prime.

It is a super-2 number, since 2×51110032125² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51110032121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68146335 + ... + 68147084.

It is an arithmetic number, because the mean of its divisors is an integer number (5315443380).

Almost surely, 2^51110032125 is an apocalyptic number.

It is an amenable number.

51110032125 is a deficient number, since it is larger than the sum of its proper divisors (33937061955).

51110032125 is a wasteful number, since it uses less digits than its factorization.

51110032125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136293437 (or 136293427 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The spelling of 51110032125 in words is "fifty-one billion, one hundred ten million, thirty-two thousand, one hundred twenty-five".