5051255121156 has 12 divisors (see below), whose sum is σ = 11786261949392. Its totient is φ = 1683751707048.

The previous prime is 5051255121149. The next prime is 5051255121203. The reversal of 5051255121156 is 6511215521505.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210468963370 + ... + 210468963393.

Almost surely, 2^{5051255121156} is an apocalyptic number.

It is an amenable number.

5051255121156 is an abundant number, since it is smaller than the sum of its proper divisors (6735006828236).

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

5051255121156 is a wasteful number, since it uses less digits than its factorization.

5051255121156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420937926770 (or 420937926768 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 39.

The spelling of 5051255121156 in words is "five trillion, fifty-one billion, two hundred fifty-five million, one hundred twenty-one thousand, one hundred fifty-six".