15045028931 has 2 divisors, whose sum is σ = 15045028932. Its totient is φ = 15045028930.

The previous prime is 15045028909. The next prime is 15045028979. The reversal of 15045028931 is 13982054051.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15045028931 - 2³⁰ = 13971287107 is a prime.

It is a super-2 number, since 2×15045028931² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15045028991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7522514465 + 7522514466.

It is an arithmetic number, because the mean of its divisors is an integer number (7522514466).

Almost surely, 2^15045028931 is an apocalyptic number.

15045028931 is a deficient number, since it is larger than the sum of its proper divisors (1).

15045028931 is an equidigital number, since it uses as much as digits as its factorization.

15045028931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 38.

The spelling of 15045028931 in words is "fifteen billion, forty-five million, twenty-eight thousand, nine hundred thirty-one".