15135614362513 has 2 divisors, whose sum is σ = 15135614362514. Its totient is φ = 15135614362512.

The previous prime is 15135614362499. The next prime is 15135614362549. The reversal of 15135614362513 is 31526341653151.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12640819384449 + 2494794978064 = 3555393^2 + 1579492^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15135614362513 is a prime.

It is not a weakly prime, because it can be changed into another prime (15135614362553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7567807181256 + 7567807181257.

It is an arithmetic number, because the mean of its divisors is an integer number (7567807181257).

Almost surely, 2^{15135614362513} is an apocalyptic number.

It is an amenable number.

15135614362513 is a deficient number, since it is larger than the sum of its proper divisors (1).

15135614362513 is an equidigital number, since it uses as much as digits as its factorization.

15135614362513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972000, while the sum is 46.

The spelling of 15135614362513 in words is "fifteen trillion, one hundred thirty-five billion, six hundred fourteen million, three hundred sixty-two thousand, five hundred thirteen".