11527256666 has 16 divisors (see below), whose sum is σ = 17344281600. Its totient is φ = 5745854448.

The previous prime is 11527256651. The next prime is 11527256683. The reversal of 11527256666 is 66665272511.

It is a self number, because there is not a number n which added to its sum of digits gives 11527256666.

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, 1051220 + ... + 1062128.

It is an arithmetic number, because the mean of its divisors is an integer number (1084017600).

Almost surely, 2^11527256666 is an apocalyptic number.

11527256666 is a deficient number, since it is larger than the sum of its proper divisors (5817024934).

11527256666 is a wasteful number, since it uses less digits than its factorization.

11527256666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12493.

The product of its digits is 907200, while the sum is 47.

The spelling of 11527256666 in words is "eleven billion, five hundred twenty-seven million, two hundred fifty-six thousand, six hundred sixty-six".