15513653053 has 2 divisors, whose sum is σ = 15513653054. Its totient is φ = 15513653052.

The previous prime is 15513653039. The next prime is 15513653063. The reversal of 15513653053 is 35035631551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11003590404 + 4510062649 = 104898^2 + 67157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15513653053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15513653063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7756826526 + 7756826527.

It is an arithmetic number, because the mean of its divisors is an integer number (7756826527).

Almost surely, 2^15513653053 is an apocalyptic number.

It is an amenable number.

15513653053 is a deficient number, since it is larger than the sum of its proper divisors (1).

15513653053 is an equidigital number, since it uses as much as digits as its factorization.

15513653053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 101250, while the sum is 37.

The spelling of 15513653053 in words is "fifteen billion, five hundred thirteen million, six hundred fifty-three thousand, fifty-three".