12533002555 has 32 divisors (see below), whose sum is σ = 15743600640. Its totient is φ = 9567068160.

The previous prime is 12533002553. The next prime is 12533002571. The reversal of 12533002555 is 55520033521.

It is not a de Polignac number, because 12533002555 - 2¹ = 12533002553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (12533002553) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3763131 + ... + 3766459.

It is an arithmetic number, because the mean of its divisors is an integer number (491987520).

Almost surely, 2^12533002555 is an apocalyptic number.

12533002555 is a deficient number, since it is larger than the sum of its proper divisors (3210598085).

12533002555 is a wasteful number, since it uses less digits than its factorization.

12533002555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3699.

The product of its (nonzero) digits is 22500, while the sum is 31.

The spelling of 12533002555 in words is "twelve billion, five hundred thirty-three million, two thousand, five hundred fifty-five".