12663552155 has 16 divisors (see below), whose sum is σ = 16007116800. Its totient is φ = 9591009120.

The previous prime is 12663552137. The next prime is 12663552157. The reversal of 12663552155 is 55125536621.

It is not a de Polignac number, because 12663552155 - 2¹⁴ = 12663535771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12663552157) 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, 94436 + ... + 185054.

It is an arithmetic number, because the mean of its divisors is an integer number (1000444800).

Almost surely, 2^12663552155 is an apocalyptic number.

12663552155 is a deficient number, since it is larger than the sum of its proper divisors (3343564645).

12663552155 is a wasteful number, since it uses less digits than its factorization.

12663552155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92114.

The product of its digits is 270000, while the sum is 41.

The spelling of 12663552155 in words is "twelve billion, six hundred sixty-three million, five hundred fifty-two thousand, one hundred fifty-five".