12331153555 has 16 divisors (see below), whose sum is σ = 17256427200. Its totient is φ = 8455646976.

The previous prime is 12331153547. The next prime is 12331153573. The reversal of 12331153555 is 55535113321.

It is not a de Polignac number, because 12331153555 - 2³ = 12331153547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12331153555.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3593374 + ... + 3596803.

It is an arithmetic number, because the mean of its divisors is an integer number (1078526700).

Almost surely, 2^12331153555 is an apocalyptic number.

12331153555 is a deficient number, since it is larger than the sum of its proper divisors (4925273645).

12331153555 is an frugal number, since it uses more digits than its factorization.

12331153555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7190203 (or 7190189 counting only the distinct ones).

The product of its digits is 33750, while the sum is 34.

Adding to 12331153555 its reverse (55535113321), we get a palindrome (67866266876).

The spelling of 12331153555 in words is "twelve billion, three hundred thirty-one million, one hundred fifty-three thousand, five hundred fifty-five".