11939885127 has 12 divisors (see below), whose sum is σ = 17352309624. Its totient is φ = 7911088560.

The previous prime is 11939885119. The next prime is 11939885131. The reversal of 11939885127 is 72158893911.

11939885127 is a `hidden beast` number, since 1 + 19 + 39 + 88 + 512 + 7 = 666.

It is not a de Polignac number, because 11939885127 - 2³ = 11939885119 is a prime.

It is a super-2 number, since 2×11939885127² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11939885117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4068024 + ... + 4070957.

It is an arithmetic number, because the mean of its divisors is an integer number (1446025802).

Almost surely, 2^11939885127 is an apocalyptic number.

11939885127 is a deficient number, since it is larger than the sum of its proper divisors (5412424497).

11939885127 is a wasteful number, since it uses less digits than its factorization.

11939885127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139150 (or 8139147 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 54.

The spelling of 11939885127 in words is "eleven billion, nine hundred thirty-nine million, eight hundred eighty-five thousand, one hundred twenty-seven".