15606139060 has 96 divisors (see below), whose sum is σ = 36715472640. Its totient is φ = 5537323008.

The previous prime is 15606139057. The next prime is 15606139097. The reversal of 15606139060 is 6093160651.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1266489 + ... + 1278751.

It is an arithmetic number, because the mean of its divisors is an integer number (382452840).

Almost surely, 2^15606139060 is an apocalyptic number.

15606139060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15606139060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18357736320).

15606139060 is an abundant number, since it is smaller than the sum of its proper divisors (21109333580).

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

15606139060 is a wasteful number, since it uses less digits than its factorization.

15606139060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12505 (or 12503 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 37.

The spelling of 15606139060 in words is "fifteen billion, six hundred six million, one hundred thirty-nine thousand, sixty".