11666004055 has 8 divisors (see below), whose sum is σ = 14091915744. Its totient is φ = 9270996000.

The previous prime is 11666004043. The next prime is 11666004067. The reversal of 11666004055 is 55040066611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11666004043) and next prime (11666004067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11666004055 - 2²³ = 11657615447 is a prime.

It is a super-2 number, since 2×11666004055² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11666004055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7725076 + ... + 7726585.

It is an arithmetic number, because the mean of its divisors is an integer number (1761489468).

Almost surely, 2^11666004055 is an apocalyptic number.

11666004055 is a deficient number, since it is larger than the sum of its proper divisors (2425911689).

11666004055 is a wasteful number, since it uses less digits than its factorization.

11666004055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15451817.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 11666004055 in words is "eleven billion, six hundred sixty-six million, four thousand, fifty-five".