15215704882497 has 48 divisors (see below), whose sum is σ = 26469933634560. Its totient is φ = 8227744239456.

The previous prime is 15215704882493. The next prime is 15215704882513. The reversal of 15215704882497 is 79428840751251.

15215704882497 is a `hidden beast` number, since 1 + 5 + 21 + 5 + 7 + 0 + 48 + 82 + 497 = 666.

It is not a de Polignac number, because 15215704882497 - 2² = 15215704882493 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (15215704882493) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6140973 + ... + 8254874.

It is an arithmetic number, because the mean of its divisors is an integer number (551456950720).

Almost surely, 2^{15215704882497} is an apocalyptic number.

It is an amenable number.

15215704882497 is a deficient number, since it is larger than the sum of its proper divisors (11254228752063).

15215704882497 is a wasteful number, since it uses less digits than its factorization.

15215704882497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14396762 (or 14396759 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 15215704882497 in words is "fifteen trillion, two hundred fifteen billion, seven hundred four million, eight hundred eighty-two thousand, four hundred ninety-seven".