5615556120 has 64 divisors (see below), whose sum is σ = 18718524000. Its totient is φ = 1497481344.

The previous prime is 5615556109. The next prime is 5615556139. The reversal of 5615556120 is 216555165.

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

It is a congruent number.

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, 2598715 + ... + 2600874.

Almost surely, 2^5615556120 is an apocalyptic number.

It is an amenable number.

5615556120 is an abundant number, since it is smaller than the sum of its proper divisors (13102967880).

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

5615556120 is a wasteful number, since it uses less digits than its factorization.

5615556120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199609 (or 5199599 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 5615556120 is about 74937.0143520544. The cubic root of 5615556120 is about 1777.4508095843.

The spelling of 5615556120 in words is "five billion, six hundred fifteen million, five hundred fifty-six thousand, one hundred twenty".