15555468680 has 32 divisors (see below), whose sum is σ = 35100699840. Its totient is φ = 6204250560.

The previous prime is 15555468637. The next prime is 15555468689. The reversal of 15555468680 is 8686455551.

It is not an unprimeable number, because it can be changed into a prime (15555468689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546476 + ... + 574235.

It is an arithmetic number, because the mean of its divisors is an integer number (1096896870).

Almost surely, 2^15555468680 is an apocalyptic number.

15555468680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15555468680 is an abundant number, since it is smaller than the sum of its proper divisors (19545231160).

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

15555468680 is a wasteful number, since it uses less digits than its factorization.

15555468680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121069 (or 1121065 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 15555468680 in words is "fifteen billion, five hundred fifty-five million, four hundred sixty-eight thousand, six hundred eighty".