11643264455 has 16 divisors (see below), whose sum is σ = 14246098560. Its totient is φ = 9132085248.

The previous prime is 11643264449. The next prime is 11643264461. The reversal of 11643264455 is 55446234611.

It is an interprime number because it is at equal distance from previous prime (11643264449) and next prime (11643264461).

It is a cyclic number.

It is not a de Polignac number, because 11643264455 - 2⁴ = 11643264439 is a prime.

It is a congruent number.

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, 357794 + ... + 388976.

It is an arithmetic number, because the mean of its divisors is an integer number (890381160).

Almost surely, 2^11643264455 is an apocalyptic number.

11643264455 is a deficient number, since it is larger than the sum of its proper divisors (2602834105).

11643264455 is a wasteful number, since it uses less digits than its factorization.

11643264455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32650.

The product of its digits is 345600, while the sum is 41.

The spelling of 11643264455 in words is "eleven billion, six hundred forty-three million, two hundred sixty-four thousand, four hundred fifty-five".