15497228135 has 32 divisors (see below), whose sum is σ = 20390994432. Its totient is φ = 11255869440.

The previous prime is 15497228119. The next prime is 15497228141. The reversal of 15497228135 is 53182279451.

It is not a de Polignac number, because 15497228135 - 2⁴ = 15497228119 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15497228135.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 826019 + ... + 844571.

It is an arithmetic number, because the mean of its divisors is an integer number (637218576).

Almost surely, 2^15497228135 is an apocalyptic number.

15497228135 is a deficient number, since it is larger than the sum of its proper divisors (4893766297).

15497228135 is a wasteful number, since it uses less digits than its factorization.

15497228135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18923.

The product of its digits is 604800, while the sum is 47.

The spelling of 15497228135 in words is "fifteen billion, four hundred ninety-seven million, two hundred twenty-eight thousand, one hundred thirty-five".