11999151119 has 4 divisors (see below), whose sum is σ = 12001713720. Its totient is φ = 11996588520.

The previous prime is 11999151107. The next prime is 11999151167. The reversal of 11999151119 is 91115199911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91115199911 = 823 ⋅110711057.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11999151119 is a prime.

It is a super-2 number, since 2×11999151119² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11999151179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274264 + ... + 1283645.

It is an arithmetic number, because the mean of its divisors is an integer number (3000428430).

Almost surely, 2^11999151119 is an apocalyptic number.

11999151119 is a deficient number, since it is larger than the sum of its proper divisors (2562601).

11999151119 is an equidigital number, since it uses as much as digits as its factorization.

11999151119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562600.

The product of its digits is 32805, while the sum is 47.

The spelling of 11999151119 in words is "eleven billion, nine hundred ninety-nine million, one hundred fifty-one thousand, one hundred nineteen".