6155655615600 has 60 divisors (see below), whose sum is σ = 19718616825816. Its totient is φ = 1641508163840.

The previous prime is 6155655615553. The next prime is 6155655615607. The reversal of 6155655615600 is 65165565516.

It is a tau number, because it is divible by the number of its divisors (60).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155655615607) 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, 2564855307 + ... + 2564857706.

Almost surely, 2^{6155655615600} is an apocalyptic number.

6155655615600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6155655615600 is an abundant number, since it is smaller than the sum of its proper divisors (13562961210216).

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

6155655615600 is a wasteful number, since it uses less digits than its factorization.

6155655615600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129713034 (or 5129713023 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 6155655615600 in words is "six trillion, one hundred fifty-five billion, six hundred fifty-five million, six hundred fifteen thousand, six hundred".