15007157131 has 2 divisors, whose sum is σ = 15007157132. Its totient is φ = 15007157130.

The previous prime is 15007157119. The next prime is 15007157159. The reversal of 15007157131 is 13175170051.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15007157131 is a prime.

It is a super-2 number, since 2×15007157131² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15007157093 and 15007157102.

It is not a weakly prime, because it can be changed into another prime (15007157731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7503578565 + 7503578566.

It is an arithmetic number, because the mean of its divisors is an integer number (7503578566).

Almost surely, 2^15007157131 is an apocalyptic number.

15007157131 is a deficient number, since it is larger than the sum of its proper divisors (1).

15007157131 is an equidigital number, since it uses as much as digits as its factorization.

15007157131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3675, while the sum is 31.

The spelling of 15007157131 in words is "fifteen billion, seven million, one hundred fifty-seven thousand, one hundred thirty-one".