11100666599 has 16 divisors (see below), whose sum is σ = 12257529120. Its totient is φ = 9968640000.

The previous prime is 11100666547. The next prime is 11100666653. The reversal of 11100666599 is 99566600111.

It is not a de Polignac number, because 11100666599 - 2²⁸ = 10832231143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100666509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1151399 + ... + 1160999.

It is an arithmetic number, because the mean of its divisors is an integer number (766095570).

Almost surely, 2^11100666599 is an apocalyptic number.

11100666599 is a deficient number, since it is larger than the sum of its proper divisors (1156862521).

11100666599 is a wasteful number, since it uses less digits than its factorization.

11100666599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10882.

The product of its (nonzero) digits is 87480, while the sum is 44.

The spelling of 11100666599 in words is "eleven billion, one hundred million, six hundred sixty-six thousand, five hundred ninety-nine".