15197870271 has 16 divisors (see below), whose sum is σ = 21409660800. Its totient is φ = 9562962528.

The previous prime is 15197870209. The next prime is 15197870291. The reversal of 15197870271 is 17207879151.

It is not a de Polignac number, because 15197870271 - 2¹¹ = 15197868223 is a prime.

It is a super-2 number, since 2×15197870271² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15197870271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15197870291) 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, 480261 + ... + 510926.

It is an arithmetic number, because the mean of its divisors is an integer number (1338103800).

Almost surely, 2^15197870271 is an apocalyptic number.

15197870271 is a deficient number, since it is larger than the sum of its proper divisors (6211790529).

15197870271 is a wasteful number, since it uses less digits than its factorization.

15197870271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991478.

The product of its (nonzero) digits is 246960, while the sum is 48.

The spelling of 15197870271 in words is "fifteen billion, one hundred ninety-seven million, eight hundred seventy thousand, two hundred seventy-one".