5515110556 has 12 divisors (see below), whose sum is σ = 10219175568. Its totient is φ = 2595346112.

The previous prime is 5515110551. The next prime is 5515110571. The reversal of 5515110556 is 6550115155.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515110551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40552216 + ... + 40552351.

It is an arithmetic number, because the mean of its divisors is an integer number (851597964).

Almost surely, 2^5515110556 is an apocalyptic number.

It is an amenable number.

5515110556 is a deficient number, since it is larger than the sum of its proper divisors (4704065012).

5515110556 is a wasteful number, since it uses less digits than its factorization.

5515110556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81104588 (or 81104586 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The square root of 5515110556 is about 74263.7903422657. The cubic root of 5515110556 is about 1766.7892206110.

The spelling of 5515110556 in words is "five billion, five hundred fifteen million, one hundred ten thousand, five hundred fifty-six".