11666150055615 has 16 divisors (see below), whose sum is σ = 20362734642816. Its totient is φ = 5656315178400.

The previous prime is 11666150055583. The next prime is 11666150055647. The reversal of 11666150055615 is 51655005166611.

It is an interprime number because it is at equal distance from previous prime (11666150055583) and next prime (11666150055647).

It is not a de Polignac number, because 11666150055615 - 2⁵ = 11666150055583 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, 35351969701 + ... + 35351970030.

It is an arithmetic number, because the mean of its divisors is an integer number (1272670915176).

Almost surely, 2^{11666150055615} is an apocalyptic number.

11666150055615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11666150055615 is a deficient number, since it is larger than the sum of its proper divisors (8696584587201).

11666150055615 is a wasteful number, since it uses less digits than its factorization.

11666150055615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70703939750.

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 11666150055615 in words is "eleven trillion, six hundred sixty-six billion, one hundred fifty million, fifty-five thousand, six hundred fifteen".