5615181516 has 48 divisors (see below), whose sum is σ = 15219303680. Its totient is φ = 1578035520.

The previous prime is 5615181421. The next prime is 5615181529. The reversal of 5615181516 is 6151815165.

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, 542806 + ... + 553053.

Almost surely, 2^5615181516 is an apocalyptic number.

It is an amenable number.

5615181516 is an abundant number, since it is smaller than the sum of its proper divisors (9604122164).

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

5615181516 is a wasteful number, since it uses less digits than its factorization.

5615181516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095934 (or 1095932 counting only the distinct ones).

The product of its digits is 36000, while the sum is 39.

The square root of 5615181516 is about 74934.5148513020. The cubic root of 5615181516 is about 1777.4112851528.

The spelling of 5615181516 in words is "five billion, six hundred fifteen million, one hundred eighty-one thousand, five hundred sixteen".