6117855120 has 120 divisors (see below), whose sum is σ = 22126276536. Its totient is φ = 1505931264.

The previous prime is 6117855103. The next prime is 6117855151. The reversal of 6117855120 is 215587116.

6117855120 is a `hidden beast` number, since 6 + 11 + 78 + 551 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11370384 + 6106484736 = 3372^2 + 78144^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317449 + ... + 336168.

Almost surely, 2^6117855120 is an apocalyptic number.

6117855120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6117855120 is an abundant number, since it is smaller than the sum of its proper divisors (16008421416).

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

6117855120 is a wasteful number, since it uses less digits than its factorization.

6117855120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653649 (or 653640 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 36.

The square root of 6117855120 is about 78216.7189288837. The cubic root of 6117855120 is about 1828.9411414595.

The spelling of 6117855120 in words is "six billion, one hundred seventeen million, eight hundred fifty-five thousand, one hundred twenty".