11426618880 has 120 divisors (see below), whose sum is σ = 39573674712. Its totient is φ = 3047092224.

The previous prime is 11426618851. The next prime is 11426618893. The reversal of 11426618880 is 8881662411.

11426618880 is a `hidden beast` number, since 1 + 1 + 4 + 26 + 618 + 8 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224934 + ... + 271013.

Almost surely, 2^11426618880 is an apocalyptic number.

11426618880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11426618880 is an abundant number, since it is smaller than the sum of its proper divisors (28147055832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11426618880 is an equidigital number, since it uses as much as digits as its factorization.

11426618880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495976 (or 495957 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 11426618880 in words is "eleven billion, four hundred twenty-six million, six hundred eighteen thousand, eight hundred eighty".