12115063551 has 8 divisors (see below), whose sum is σ = 16304385024. Its totient is φ = 8001225560.

The previous prime is 12115063511. The next prime is 12115063553. The reversal of 12115063551 is 15536051121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12115063551 - 2³⁰ = 11041321727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115063553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18870495 + ... + 18871136.

It is an arithmetic number, because the mean of its divisors is an integer number (2038048128).

Almost surely, 2^12115063551 is an apocalyptic number.

12115063551 is a deficient number, since it is larger than the sum of its proper divisors (4189321473).

12115063551 is a wasteful number, since it uses less digits than its factorization.

12115063551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37741741.

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 12115063551 in words is "twelve billion, one hundred fifteen million, sixty-three thousand, five hundred fifty-one".