2115256104 has 48 divisors (see below), whose sum is σ = 6169499700. Its totient is φ = 650847744.

The previous prime is 2115256081. The next prime is 2115256109. The reversal of 2115256104 is 4016525112.

2115256104 is a `hidden beast` number, since 21 + 1 + 5 + 25 + 610 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1776622500 + 338633604 = 42150^2 + 18402^2 .

It is not an unprimeable number, because it can be changed into a prime (2115256109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1129009 + ... + 1130880.

Almost surely, 2^2115256104 is an apocalyptic number.

2115256104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2115256104 is an abundant number, since it is smaller than the sum of its proper divisors (4054243596).

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

2115256104 is a wasteful number, since it uses less digits than its factorization.

2115256104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259914 (or 2259907 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2115256104 is about 45991.9134631296. The cubic root of 2115256104 is about 1283.6727410068.

The spelling of 2115256104 in words is "two billion, one hundred fifteen million, two hundred fifty-six thousand, one hundred four".