11836660455 has 24 divisors (see below), whose sum is σ = 20776591680. Its totient is φ = 6232973760.

The previous prime is 11836660427. The next prime is 11836660481. The reversal of 11836660455 is 55406663811.

It is not a de Polignac number, because 11836660455 - 2¹³ = 11836652263 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 11836660455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1661236 + ... + 1668345.

It is an arithmetic number, because the mean of its divisors is an integer number (865691320).

Almost surely, 2^11836660455 is an apocalyptic number.

11836660455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11836660455 is a deficient number, since it is larger than the sum of its proper divisors (8939931225).

11836660455 is a wasteful number, since it uses less digits than its factorization.

11836660455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3329671 (or 3329668 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 11836660455 in words is "eleven billion, eight hundred thirty-six million, six hundred sixty thousand, four hundred fifty-five".