15124550137 has 2 divisors, whose sum is σ = 15124550138. Its totient is φ = 15124550136.

The previous prime is 15124550117. The next prime is 15124550149. The reversal of 15124550137 is 73105542151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14014061161 + 1110488976 = 118381^2 + 33324^2 .

It is a cyclic number.

It is not a de Polignac number, because 15124550137 - 2⁷ = 15124550009 is a prime.

It is not a weakly prime, because it can be changed into another prime (15124550117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562275068 + 7562275069.

It is an arithmetic number, because the mean of its divisors is an integer number (7562275069).

Almost surely, 2^15124550137 is an apocalyptic number.

It is an amenable number.

15124550137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15124550137 is an equidigital number, since it uses as much as digits as its factorization.

15124550137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 15124550137 in words is "fifteen billion, one hundred twenty-four million, five hundred fifty thousand, one hundred thirty-seven".