15268885049 has 16 divisors (see below), whose sum is σ = 17436487680. Its totient is φ = 13243818000.

The previous prime is 15268885043. The next prime is 15268885157. The reversal of 15268885049 is 94058886251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15268885049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15268884985 and 15268885003.

It is not an unprimeable number, because it can be changed into a prime (15268885043) 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, 291119 + ... + 339540.

It is an arithmetic number, because the mean of its divisors is an integer number (1089780480).

Almost surely, 2^15268885049 is an apocalyptic number.

It is an amenable number.

15268885049 is a deficient number, since it is larger than the sum of its proper divisors (2167602631).

15268885049 is a wasteful number, since it uses less digits than its factorization.

15268885049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630772.

The product of its (nonzero) digits is 5529600, while the sum is 56.

The spelling of 15268885049 in words is "fifteen billion, two hundred sixty-eight million, eight hundred eighty-five thousand, forty-nine".