12115139422331 has 4 divisors (see below), whose sum is σ = 13216515733464. Its totient is φ = 11013763111200.

The previous prime is 12115139422307. The next prime is 12115139422339. The reversal of 12115139422331 is 13322493151121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12115139422331 is a prime.

It is a super-3 number, since 3×12115139422331³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12115139422339) 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, 550688155550 + ... + 550688155571.

It is an arithmetic number, because the mean of its divisors is an integer number (3304128933366).

Almost surely, 2^{12115139422331} is an apocalyptic number.

12115139422331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12115139422331 is a deficient number, since it is larger than the sum of its proper divisors (1101376311133).

12115139422331 is a wasteful number, since it uses less digits than its factorization.

12115139422331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101376311132.

The product of its digits is 38880, while the sum is 38.

The spelling of 12115139422331 in words is "twelve trillion, one hundred fifteen billion, one hundred thirty-nine million, four hundred twenty-two thousand, three hundred thirty-one".