12011873115 has 32 divisors (see below), whose sum is σ = 21477560832. Its totient is φ = 5681888000.

The previous prime is 12011873113. The next prime is 12011873161. The reversal of 12011873115 is 51137811021.

It is not a de Polignac number, because 12011873115 - 2¹ = 12011873113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011873113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 881031 + ... + 894560.

It is an arithmetic number, because the mean of its divisors is an integer number (671173776).

Almost surely, 2^12011873115 is an apocalyptic number.

12011873115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12011873115 is a deficient number, since it is larger than the sum of its proper divisors (9465687717).

12011873115 is a wasteful number, since it uses less digits than its factorization.

12011873115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775651.

The product of its (nonzero) digits is 1680, while the sum is 30.

The spelling of 12011873115 in words is "twelve billion, eleven million, eight hundred seventy-three thousand, one hundred fifteen".