15465368680 has 16 divisors (see below), whose sum is σ = 34797079620. Its totient is φ = 6186147456.

The previous prime is 15465368621. The next prime is 15465368683. The reversal of 15465368680 is 8686356451.

It can be written as a sum of positive squares in 2 ways, for example, as 15161981956 + 303386724 = 123134^2 + 17418^2 .

It is not an unprimeable number, because it can be changed into a prime (15465368683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193317069 + ... + 193317148.

Almost surely, 2^15465368680 is an apocalyptic number.

15465368680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15465368680 is an abundant number, since it is smaller than the sum of its proper divisors (19331710940).

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

15465368680 is a wasteful number, since it uses less digits than its factorization.

15465368680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386634228 (or 386634224 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 15465368680 in words is "fifteen billion, four hundred sixty-five million, three hundred sixty-eight thousand, six hundred eighty".