2156315020602 has 32 divisors (see below), whose sum is σ = 4347440000640. Its totient is φ = 712988944320.

The previous prime is 2156315020571. The next prime is 2156315020619. The reversal of 2156315020602 is 2060205136512.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1910349 + ... + 2821712.

It is an arithmetic number, because the mean of its divisors is an integer number (135857500020).

Almost surely, 2^{2156315020602} is an apocalyptic number.

2156315020602 is an abundant number, since it is smaller than the sum of its proper divisors (2191124980038).

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

2156315020602 is a wasteful number, since it uses less digits than its factorization.

2156315020602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732678.

The product of its (nonzero) digits is 21600, while the sum is 33.

The spelling of 2156315020602 in words is "two trillion, one hundred fifty-six billion, three hundred fifteen million, twenty thousand, six hundred two".