15315683080 has 64 divisors (see below), whose sum is σ = 35018328240. Its totient is φ = 6027804672.

The previous prime is 15315683063. The next prime is 15315683081. The reversal of 15315683080 is 8038651351.

It can be written as a sum of positive squares in 8 ways, for example, as 14181475396 + 1134207684 = 119086^2 + 33678^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (15315683081) 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, 659832 + ... + 682648.

Almost surely, 2^15315683080 is an apocalyptic number.

15315683080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15315683080 is an abundant number, since it is smaller than the sum of its proper divisors (19702645160).

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

15315683080 is a wasteful number, since it uses less digits than its factorization.

15315683080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23098 (or 23094 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 15315683080 in words is "fifteen billion, three hundred fifteen million, six hundred eighty-three thousand, eighty".