15117897054276 has 27 divisors (see below), whose sum is σ = 38214743191261. Its totient is φ = 5039291241744.

The previous prime is 15117897054203. The next prime is 15117897054343. The reversal of 15117897054276 is 67245079871151.

The square root of 15117897054276 is 3888174.

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

15117897054276 is a `hidden beast` number, since 1 + 5 + 1 + 1 + 7 + 89 + 7 + 0 + 542 + 7 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 15117523791876 + 373262400 = 3888126^2 + 19320^2 .

It is a super-2 number, since 2×15117897054276² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 23005030 + ... + 23653058.

Almost surely, 2^{15117897054276} is an apocalyptic number.

15117897054276 is the 3888174-th square number.

It is an amenable number.

15117897054276 is an abundant number, since it is smaller than the sum of its proper divisors (23096846136985).

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

15117897054276 is an frugal number, since it uses more digits than its factorization.

15117897054276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296068 (or 648034 counting only the distinct ones).

The product of its (nonzero) digits is 29635200, while the sum is 63.

The spelling of 15117897054276 in words is "fifteen trillion, one hundred seventeen billion, eight hundred ninety-seven million, fifty-four thousand, two hundred seventy-six".