15115561056060 has 96 divisors (see below), whose sum is σ = 43230853999872. Its totient is φ = 3945251381760.

The previous prime is 15115561056041. The next prime is 15115561056073. The reversal of 15115561056060 is 6065016551151.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12598134 + ... + 13745693.

It is an arithmetic number, because the mean of its divisors is an integer number (450321395832).

Almost surely, 2^{15115561056060} is an apocalyptic number.

15115561056060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15115561056060 is an abundant number, since it is smaller than the sum of its proper divisors (28115292943812).

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

15115561056060 is a wasteful number, since it uses less digits than its factorization.

15115561056060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26344043 (or 26344041 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 15115561056060 in words is "fifteen trillion, one hundred fifteen billion, five hundred sixty-one million, fifty-six thousand, sixty".