2156101105004 has 48 divisors (see below), whose sum is σ = 4711169675520. Its totient is φ = 838798484160.

The previous prime is 2156101104973. The next prime is 2156101105031. The reversal of 2156101105004 is 4005011016512.

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, 4961594 + ... + 5378625.

It is an arithmetic number, because the mean of its divisors is an integer number (98149368240).

Almost surely, 2^{2156101105004} is an apocalyptic number.

It is an amenable number.

2156101105004 is an abundant number, since it is smaller than the sum of its proper divisors (2555068570516).

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

2156101105004 is a wasteful number, since it uses less digits than its factorization.

2156101105004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10340918 (or 10340916 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 26.

The spelling of 2156101105004 in words is "two trillion, one hundred fifty-six billion, one hundred one million, one hundred five thousand, four".