51365600001 has 12 divisors (see below), whose sum is σ = 74258130960. Its totient is φ = 34214483160.

The previous prime is 51365599979. The next prime is 51365600003. The reversal of 51365600001 is 10000656315.

It is a happy number.

51365600001 is a `hidden beast` number, since 5 + 1 + 3 + 656 + 0 + 0 + 0 + 0 + 1 = 666.

51365600001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51365600001 - 2⁵ = 51365599969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51365600003) 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, 2426391 + ... + 2447468.

It is an arithmetic number, because the mean of its divisors is an integer number (6188177580).

Almost surely, 2^51365600001 is an apocalyptic number.

It is an amenable number.

51365600001 is a deficient number, since it is larger than the sum of its proper divisors (22892530959).

51365600001 is a wasteful number, since it uses less digits than its factorization.

51365600001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4875036 (or 4875033 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The spelling of 51365600001 in words is "fifty-one billion, three hundred sixty-five million, six hundred thousand, one".