15121034313 has 24 divisors (see below), whose sum is σ = 25585129440. Its totient is φ = 7855081920.

The previous prime is 15121034267. The next prime is 15121034317. The reversal of 15121034313 is 31343012151.

It is not a de Polignac number, because 15121034313 - 2¹² = 15121030217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15121034317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4674028 + ... + 4677261.

It is an arithmetic number, because the mean of its divisors is an integer number (1066047060).

Almost surely, 2^15121034313 is an apocalyptic number.

It is an amenable number.

15121034313 is a deficient number, since it is larger than the sum of its proper divisors (10464095127).

15121034313 is a wasteful number, since it uses less digits than its factorization.

15121034313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9351317 (or 9351310 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 15121034313 its reverse (31343012151), we get a palindrome (46464046464).

The spelling of 15121034313 in words is "fifteen billion, one hundred twenty-one million, thirty-four thousand, three hundred thirteen".