11615348639 has 2 divisors, whose sum is σ = 11615348640. Its totient is φ = 11615348638.

The previous prime is 11615348609. The next prime is 11615348653. The reversal of 11615348639 is 93684351611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11615348639 - 2²⁰ = 11614300063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11615348593 and 11615348602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11615348609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5807674319 + 5807674320.

It is an arithmetic number, because the mean of its divisors is an integer number (5807674320).

Almost surely, 2^11615348639 is an apocalyptic number.

11615348639 is a deficient number, since it is larger than the sum of its proper divisors (1).

11615348639 is an equidigital number, since it uses as much as digits as its factorization.

11615348639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The spelling of 11615348639 in words is "eleven billion, six hundred fifteen million, three hundred forty-eight thousand, six hundred thirty-nine".