15040412137 has 2 divisors, whose sum is σ = 15040412138. Its totient is φ = 15040412136.

The previous prime is 15040412119. The next prime is 15040412183. The reversal of 15040412137 is 73121404051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14920378201 + 120033936 = 122149^2 + 10956^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15040412137 is a prime.

It is not a weakly prime, because it can be changed into another prime (15040412117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7520206068 + 7520206069.

It is an arithmetic number, because the mean of its divisors is an integer number (7520206069).

Almost surely, 2^15040412137 is an apocalyptic number.

It is an amenable number.

15040412137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15040412137 is an equidigital number, since it uses as much as digits as its factorization.

15040412137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

Adding to 15040412137 its reverse (73121404051), we get a palindrome (88161816188).

The spelling of 15040412137 in words is "fifteen billion, forty million, four hundred twelve thousand, one hundred thirty-seven".