11879127999 has 6 divisors (see below), whose sum is σ = 17158740456. Its totient is φ = 7919418660.

The previous prime is 11879127979. The next prime is 11879128003. The reversal of 11879127999 is 99972197811.

It is not a de Polignac number, because 11879127999 - 2⁹ = 11879127487 is a prime.

It is a super-2 number, since 2×11879127999² (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 (11879127919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 659951547 + ... + 659951564.

It is an arithmetic number, because the mean of its divisors is an integer number (2859790076).

Almost surely, 2^11879127999 is an apocalyptic number.

11879127999 is a deficient number, since it is larger than the sum of its proper divisors (5279612457).

11879127999 is a wasteful number, since it uses less digits than its factorization.

11879127999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319903117 (or 1319903114 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 63.

It can be divided in two parts, 1187912 and 7999, that added together give a palindrome (1195911).

The spelling of 11879127999 in words is "eleven billion, eight hundred seventy-nine million, one hundred twenty-seven thousand, nine hundred ninety-nine".