12155114798 has 4 divisors (see below), whose sum is σ = 18232672200. Its totient is φ = 6077557398.

The previous prime is 12155114759. The next prime is 12155114813. The reversal of 12155114798 is 89741155121.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3038778698 + ... + 3038778701.

It is an arithmetic number, because the mean of its divisors is an integer number (4558168050).

Almost surely, 2^12155114798 is an apocalyptic number.

12155114798 is a deficient number, since it is larger than the sum of its proper divisors (6077557402).

12155114798 is an equidigital number, since it uses as much as digits as its factorization.

12155114798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6077557401.

The product of its digits is 100800, while the sum is 44.

The spelling of 12155114798 in words is "twelve billion, one hundred fifty-five million, one hundred fourteen thousand, seven hundred ninety-eight".