15516556050 has 48 divisors (see below), whose sum is σ = 38640821472. Its totient is φ = 4120569600.

The previous prime is 15516556039. The next prime is 15516556051. The reversal of 15516556050 is 5065561551.

It is not an unprimeable number, because it can be changed into a prime (15516556051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178464 + ... + 250763.

It is an arithmetic number, because the mean of its divisors is an integer number (805017114).

Almost surely, 2^15516556050 is an apocalyptic number.

15516556050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15516556050 is an abundant number, since it is smaller than the sum of its proper divisors (23124265422).

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

15516556050 is a wasteful number, since it uses less digits than its factorization.

15516556050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429483 (or 429478 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 15516556050 in words is "fifteen billion, five hundred sixteen million, five hundred fifty-six thousand, fifty".