6115617156 has 48 divisors (see below), whose sum is σ = 15799392000. Its totient is φ = 1825554720.

The previous prime is 6115617143. The next prime is 6115617173. The reversal of 6115617156 is 6517165116.

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, 336906 + ... + 354593.

It is an arithmetic number, because the mean of its divisors is an integer number (329154000).

Almost surely, 2^6115617156 is an apocalyptic number.

6115617156 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6115617156 is an abundant number, since it is smaller than the sum of its proper divisors (9683774844).

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

6115617156 is a wasteful number, since it uses less digits than its factorization.

6115617156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691584 (or 691582 counting only the distinct ones).

The product of its digits is 37800, while the sum is 39.

The square root of 6115617156 is about 78202.4114461952. The cubic root of 6115617156 is about 1828.7181001293.

The spelling of 6115617156 in words is "six billion, one hundred fifteen million, six hundred seventeen thousand, one hundred fifty-six".