12453135555 has 16 divisors (see below), whose sum is σ = 22771448064. Its totient is φ = 5692861920.

The previous prime is 12453135551. The next prime is 12453135589. The reversal of 12453135555 is 55553135421.

It is not a de Polignac number, because 12453135555 - 2² = 12453135551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12453135551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59300541 + ... + 59300750.

It is an arithmetic number, because the mean of its divisors is an integer number (1423215504).

Almost surely, 2^12453135555 is an apocalyptic number.

12453135555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12453135555 is a deficient number, since it is larger than the sum of its proper divisors (10318312509).

12453135555 is a wasteful number, since it uses less digits than its factorization.

12453135555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118601306.

The product of its digits is 225000, while the sum is 39.

The spelling of 12453135555 in words is "twelve billion, four hundred fifty-three million, one hundred thirty-five thousand, five hundred fifty-five".