15135216265 has 16 divisors (see below), whose sum is σ = 19594145088. Its totient is φ = 11156895936.

The previous prime is 15135216259. The next prime is 15135216281. The reversal of 15135216265 is 56261253151.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15135216265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170199 + ... + 243388.

It is an arithmetic number, because the mean of its divisors is an integer number (1224634068).

Almost surely, 2^15135216265 is an apocalyptic number.

It is an amenable number.

15135216265 is a deficient number, since it is larger than the sum of its proper divisors (4458928823).

15135216265 is a wasteful number, since it uses less digits than its factorization.

15135216265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414168.

The product of its digits is 54000, while the sum is 37.

The spelling of 15135216265 in words is "fifteen billion, one hundred thirty-five million, two hundred sixteen thousand, two hundred sixty-five".