11999837488 has 20 divisors (see below), whose sum is σ = 23332432968. Its totient is φ = 5978564480.

The previous prime is 11999837459. The next prime is 11999837491. The reversal of 11999837488 is 88473899911.

It is a super-3 number, since 3×11999837488³ (a number of 31 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330006 + ... + 1338997.

Almost surely, 2^11999837488 is an apocalyptic number.

It is an amenable number.

11999837488 is a deficient number, since it is larger than the sum of its proper divisors (11332595480).

11999837488 is a wasteful number, since it uses less digits than its factorization.

11999837488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669292 (or 2669286 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 67.

The spelling of 11999837488 in words is "eleven billion, nine hundred ninety-nine million, eight hundred thirty-seven thousand, four hundred eighty-eight".