12267665055 has 80 divisors (see below), whose sum is σ = 22715076384. Its totient is φ = 6329352960.

The previous prime is 12267665041. The next prime is 12267665101. The reversal of 12267665055 is 55056676221.

12267665055 is a `hidden beast` number, since 1 + 22 + 67 + 66 + 505 + 5 = 666.

It is not a de Polignac number, because 12267665055 - 2⁵ = 12267665023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 12267665055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2710024 + ... + 2714546.

Almost surely, 2^12267665055 is an apocalyptic number.

12267665055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12267665055 is a deficient number, since it is larger than the sum of its proper divisors (10447411329).

12267665055 is a wasteful number, since it uses less digits than its factorization.

12267665055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4758 (or 4749 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The spelling of 12267665055 in words is "twelve billion, two hundred sixty-seven million, six hundred sixty-five thousand, fifty-five".