15314125513 has 2 divisors, whose sum is σ = 15314125514. Its totient is φ = 15314125512.

The previous prime is 15314125507. The next prime is 15314125517. The reversal of 15314125513 is 31552141351.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15313567504 + 558009 = 123748^2 + 747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15314125513 is a prime.

It is not a weakly prime, because it can be changed into another prime (15314125517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7657062756 + 7657062757.

It is an arithmetic number, because the mean of its divisors is an integer number (7657062757).

Almost surely, 2^15314125513 is an apocalyptic number.

It is an amenable number.

15314125513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15314125513 is an equidigital number, since it uses as much as digits as its factorization.

15314125513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 31.

Adding to 15314125513 its reverse (31552141351), we get a palindrome (46866266864).

The spelling of 15314125513 in words is "fifteen billion, three hundred fourteen million, one hundred twenty-five thousand, five hundred thirteen".