12115553051 has 8 divisors (see below), whose sum is σ = 13853247744. Its totient is φ = 10379583720.

The previous prime is 12115553033. The next prime is 12115553059. The reversal of 12115553051 is 15035551121.

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 12115553051 - 2⁶ = 12115552987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12115553059) 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, 416255 + ... + 444408.

It is an arithmetic number, because the mean of its divisors is an integer number (1731655968).

Almost surely, 2^12115553051 is an apocalyptic number.

12115553051 is a deficient number, since it is larger than the sum of its proper divisors (1737694693).

12115553051 is an equidigital number, since it uses as much as digits as its factorization.

12115553051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862681.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 12115553051 in words is "twelve billion, one hundred fifteen million, five hundred fifty-three thousand, fifty-one".