11557399307 has 2 divisors, whose sum is σ = 11557399308. Its totient is φ = 11557399306.

The previous prime is 11557399297. The next prime is 11557399387. The reversal of 11557399307 is 70399375511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11557399307 - 2¹⁴ = 11557382923 is a prime.

It is not a weakly prime, because it can be changed into another prime (11557399387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5778699653 + 5778699654.

It is an arithmetic number, because the mean of its divisors is an integer number (5778699654).

Almost surely, 2^11557399307 is an apocalyptic number.

11557399307 is a deficient number, since it is larger than the sum of its proper divisors (1).

11557399307 is an equidigital number, since it uses as much as digits as its factorization.

11557399307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 893025, while the sum is 50.

The spelling of 11557399307 in words is "eleven billion, five hundred fifty-seven million, three hundred ninety-nine thousand, three hundred seven".