51026020975 has 6 divisors (see below), whose sum is σ = 63272266040. Its totient is φ = 40820816760.

The previous prime is 51026020957. The next prime is 51026020979. The reversal of 51026020975 is 57902062015.

It is not a de Polignac number, because 51026020975 - 2⁷ = 51026020847 is a prime.

It is a super-2 number, since 2×51026020975² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51026020979) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020520395 + ... + 1020520444.

Almost surely, 2^51026020975 is an apocalyptic number.

51026020975 is a deficient number, since it is larger than the sum of its proper divisors (12246245065).

51026020975 is a wasteful number, since it uses less digits than its factorization.

51026020975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041040849 (or 2041040844 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 51026020975 in words is "fifty-one billion, twenty-six million, twenty thousand, nine hundred seventy-five".