51023714851202 has 4 divisors (see below), whose sum is σ = 76535572276806. Its totient is φ = 25511857425600.

The previous prime is 51023714851177. The next prime is 51023714851243. The reversal of 51023714851202 is 20215841732015.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36641121282481 + 14382593568721 = 6053191^2 + 3792439^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51023714851202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755928712799 + ... + 12755928712802.

Almost surely, 2^{51023714851202} is an apocalyptic number.

51023714851202 is a deficient number, since it is larger than the sum of its proper divisors (25511857425604).

51023714851202 is a wasteful number, since it uses less digits than its factorization.

51023714851202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25511857425603.

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 51023714851202 in words is "fifty-one trillion, twenty-three billion, seven hundred fourteen million, eight hundred fifty-one thousand, two hundred two".