15231879062416 has 15 divisors (see below), whose sum is σ = 29511795930193. Its totient is φ = 7615931725600.

The previous prime is 15231879062371. The next prime is 15231879062437. The reversal of 15231879062416 is 61426097813251.

The square root of 15231879062416 is 3902804.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 14891850128016 + 340028934400 = 3858996^2 + 583120^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15123366 + ... + 16099066.

It is a 1-persistent number, because it is pandigital, but 2⋅15231879062416 = 30463758124832 is not.

Almost surely, 2^{15231879062416} is an apocalyptic number.

15231879062416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

15231879062416 is the 3902804-th square number.

It is an amenable number.

15231879062416 is a deficient number, since it is larger than the sum of its proper divisors (14279916867777).

15231879062416 is an frugal number, since it uses more digits than its factorization.

15231879062416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1951410 (or 975703 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 15231879062416 in words is "fifteen trillion, two hundred thirty-one billion, eight hundred seventy-nine million, sixty-two thousand, four hundred sixteen".