51056065026 has 24 divisors (see below), whose sum is σ = 110625719724. Its totient is φ = 17018035200.

The previous prime is 51056065019. The next prime is 51056065033. The reversal of 51056065026 is 62056065015.

It is a happy number.

51056065026 is a `hidden beast` number, since 5 + 10 + 560 + 65 + 0 + 26 = 666.

51056065026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51056065019) and next prime (51056065033).

It can be written as a sum of positive squares in 2 ways, for example, as 41411843001 + 9644222025 = 203499^2 + 98205^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 744790 + ... + 810446.

Almost surely, 2^51056065026 is an apocalyptic number.

51056065026 is an abundant number, since it is smaller than the sum of its proper divisors (59569654698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51056065026 is a wasteful number, since it uses less digits than its factorization.

51056065026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108866 (or 108863 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 51056065026 in words is "fifty-one billion, fifty-six million, sixty-five thousand, twenty-six".