11551666655614 has 16 divisors (see below), whose sum is σ = 17369890830720. Its totient is φ = 5761718382240.

The previous prime is 11551666655597. The next prime is 11551666655699. The reversal of 11551666655614 is 41655666615511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2326542 + ... + 5340049.

It is an arithmetic number, because the mean of its divisors is an integer number (1085618176920).

Almost surely, 2^{11551666655614} is an apocalyptic number.

11551666655614 is a deficient number, since it is larger than the sum of its proper divisors (5818224175106).

11551666655614 is a wasteful number, since it uses less digits than its factorization.

11551666655614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668435.

The product of its digits is 19440000, while the sum is 58.

The spelling of 11551666655614 in words is "eleven trillion, five hundred fifty-one billion, six hundred sixty-six million, six hundred fifty-five thousand, six hundred fourteen".