11666560511054 has 8 divisors (see below), whose sum is σ = 17517752581968. Its totient is φ = 5827309650400.

The previous prime is 11666560511017. The next prime is 11666560511071. The reversal of 11666560511054 is 45011506566611.

It is a happy number.

11666560511054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×11666560511054² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2985300122 + ... + 2985304029.

It is an arithmetic number, because the mean of its divisors is an integer number (2189719072746).

Almost surely, 2^{11666560511054} is an apocalyptic number.

11666560511054 is a deficient number, since it is larger than the sum of its proper divisors (5851192070914).

11666560511054 is an equidigital number, since it uses as much as digits as its factorization.

11666560511054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5970605130.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 11666560511054 in words is "eleven trillion, six hundred sixty-six billion, five hundred sixty million, five hundred eleven thousand, fifty-four".