51101575025 has 12 divisors (see below), whose sum is σ = 64311715632. Its totient is φ = 40271090640.

The previous prime is 51101575009. The next prime is 51101575027. The reversal of 51101575025 is 52057510115.

It is not a de Polignac number, because 51101575025 - 2⁴ = 51101575009 is a prime.

It is a super-2 number, since 2×51101575025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51101574982 and 51101575000.

It is not an unprimeable number, because it can be changed into a prime (51101575027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15252527 + ... + 15255876.

It is an arithmetic number, because the mean of its divisors is an integer number (5359309636).

Almost surely, 2^51101575025 is an apocalyptic number.

It is an amenable number.

51101575025 is a deficient number, since it is larger than the sum of its proper divisors (13210140607).

51101575025 is a wasteful number, since it uses less digits than its factorization.

51101575025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30508480 (or 30508475 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 32.

The spelling of 51101575025 in words is "fifty-one billion, one hundred one million, five hundred seventy-five thousand, twenty-five".