11387522866 has 16 divisors (see below), whose sum is σ = 17648705088. Its totient is φ = 5507647600.

The previous prime is 11387522827. The next prime is 11387522897. The reversal of 11387522866 is 66822578311.

It is a happy number.

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, 749020 + ... + 764071.

It is an arithmetic number, because the mean of its divisors is an integer number (1103044068).

Almost surely, 2^11387522866 is an apocalyptic number.

11387522866 is a deficient number, since it is larger than the sum of its proper divisors (6261182222).

11387522866 is a wasteful number, since it uses less digits than its factorization.

11387522866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1513217.

The product of its digits is 967680, while the sum is 49.

The spelling of 11387522866 in words is "eleven billion, three hundred eighty-seven million, five hundred twenty-two thousand, eight hundred sixty-six".