2155560102 has 24 divisors (see below), whose sum is σ = 4671874584. Its totient is φ = 718290144.

The previous prime is 2155560091. The next prime is 2155560119. The reversal of 2155560102 is 2010655512.

2155560102 is a `hidden beast` number, since 2 + 1 + 5 + 55 + 601 + 0 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44353 + ... + 79235.

It is an arithmetic number, because the mean of its divisors is an integer number (194661441).

Almost surely, 2^2155560102 is an apocalyptic number.

2155560102 is an abundant number, since it is smaller than the sum of its proper divisors (2516314482).

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

2155560102 is a wasteful number, since it uses less digits than its factorization.

2155560102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38324 (or 38321 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 2155560102 is about 46428.0098862745. The cubic root of 2155560102 is about 1291.7745147845.

The spelling of 2155560102 in words is "two billion, one hundred fifty-five million, five hundred sixty thousand, one hundred two".