15515601060 has 48 divisors (see below), whose sum is σ = 44845097472. Its totient is φ = 4004025600.

The previous prime is 15515601047. The next prime is 15515601061. The reversal of 15515601060 is 6010651551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (15515601061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4169001 + ... + 4172720.

It is an arithmetic number, because the mean of its divisors is an integer number (934272864).

Almost surely, 2^15515601060 is an apocalyptic number.

15515601060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15515601060 is an abundant number, since it is smaller than the sum of its proper divisors (29329496412).

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

15515601060 is a wasteful number, since it uses less digits than its factorization.

15515601060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8341764 (or 8341762 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 15515601060 in words is "fifteen billion, five hundred fifteen million, six hundred one thousand, sixty".