11508477613 has 2 divisors, whose sum is σ = 11508477614. Its totient is φ = 11508477612.

The previous prime is 11508477601. The next prime is 11508477619. The reversal of 11508477613 is 31677480511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7576309764 + 3932167849 = 87042^2 + 62707^2 .

It is a cyclic number.

It is not a de Polignac number, because 11508477613 - 2⁵ = 11508477581 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11508477613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11508477619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5754238806 + 5754238807.

It is an arithmetic number, because the mean of its divisors is an integer number (5754238807).

Almost surely, 2^11508477613 is an apocalyptic number.

It is an amenable number.

11508477613 is a deficient number, since it is larger than the sum of its proper divisors (1).

11508477613 is an equidigital number, since it uses as much as digits as its factorization.

11508477613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 11508477613 in words is "eleven billion, five hundred eight million, four hundred seventy-seven thousand, six hundred thirteen".