11515146415613 has 2 divisors, whose sum is σ = 11515146415614. Its totient is φ = 11515146415612.

The previous prime is 11515146415601. The next prime is 11515146415631. The reversal of 11515146415613 is 31651464151511.

Together with next prime (11515146415631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8453916783844 + 3061229631769 = 2907562^2 + 1749637^2 .

It is a cyclic number.

It is not a de Polignac number, because 11515146415613 - 2³⁸ = 11240268508669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11515146415013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5757573207806 + 5757573207807.

It is an arithmetic number, because the mean of its divisors is an integer number (5757573207807).

Almost surely, 2^{11515146415613} is an apocalyptic number.

It is an amenable number.

11515146415613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11515146415613 is an equidigital number, since it uses as much as digits as its factorization.

11515146415613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216000, while the sum is 44.

The spelling of 11515146415613 in words is "eleven trillion, five hundred fifteen billion, one hundred forty-six million, four hundred fifteen thousand, six hundred thirteen".