51158855065636 has 96 divisors (see below), whose sum is σ = 98433250272000. Its totient is φ = 23156945399808.

The previous prime is 51158855065621. The next prime is 51158855065639. The reversal of 51158855065636 is 63656055885115.

It is not an unprimeable number, because it can be changed into a prime (51158855065639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15707353320 + ... + 15707356576.

It is an arithmetic number, because the mean of its divisors is an integer number (1025346357000).

Almost surely, 2^{51158855065636} is an apocalyptic number.

It is an amenable number.

51158855065636 is a deficient number, since it is larger than the sum of its proper divisors (47274395206364).

51158855065636 is a wasteful number, since it uses less digits than its factorization.

51158855065636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301 (or 9299 counting only the distinct ones).

The product of its (nonzero) digits is 129600000, while the sum is 64.

The spelling of 51158855065636 in words is "fifty-one trillion, one hundred fifty-eight billion, eight hundred fifty-five million, sixty-five thousand, six hundred thirty-six".