5518157512 has 16 divisors (see below), whose sum is σ = 11824623360. Its totient is φ = 2364924624.

The previous prime is 5518157509. The next prime is 5518157521. The reversal of 5518157512 is 2157518155.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49269208 + ... + 49269319.

It is an arithmetic number, because the mean of its divisors is an integer number (739038960).

Almost surely, 2^5518157512 is an apocalyptic number.

It is an amenable number.

5518157512 is an abundant number, since it is smaller than the sum of its proper divisors (6306465848).

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

5518157512 is a wasteful number, since it uses less digits than its factorization.

5518157512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98538540 (or 98538536 counting only the distinct ones).

The product of its digits is 70000, while the sum is 40.

The square root of 5518157512 is about 74284.3019217385. The cubic root of 5518157512 is about 1767.1145291660.

The spelling of 5518157512 in words is "five billion, five hundred eighteen million, one hundred fifty-seven thousand, five hundred twelve".