11439799357 has 24 divisors (see below), whose sum is σ = 14024891040. Its totient is φ = 9278206560.

The previous prime is 11439799321. The next prime is 11439799369. The reversal of 11439799357 is 75399793411.

It is not a de Polignac number, because 11439799357 - 2⁷ = 11439799229 is a prime.

It is a super-2 number, since 2×11439799357² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439799387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 809482 + ... + 823492.

It is an arithmetic number, because the mean of its divisors is an integer number (584370460).

Almost surely, 2^11439799357 is an apocalyptic number.

It is an amenable number.

11439799357 is a deficient number, since it is larger than the sum of its proper divisors (2585091683).

11439799357 is a wasteful number, since it uses less digits than its factorization.

11439799357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921 (or 14914 counting only the distinct ones).

The product of its digits is 6429780, while the sum is 58.

The spelling of 11439799357 in words is "eleven billion, four hundred thirty-nine million, seven hundred ninety-nine thousand, three hundred fifty-seven".