11587191366 has 16 divisors (see below), whose sum is σ = 23567169600. Its totient is φ = 3796932648.

The previous prime is 11587191361. The next prime is 11587191397. The reversal of 11587191366 is 66319178511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11587191361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16365736 + ... + 16366443.

It is an arithmetic number, because the mean of its divisors is an integer number (1472948100).

Almost surely, 2^11587191366 is an apocalyptic number.

11587191366 is an abundant number, since it is smaller than the sum of its proper divisors (11979978234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11587191366 is a wasteful number, since it uses less digits than its factorization.

11587191366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32732243.

The product of its digits is 272160, while the sum is 48.

The spelling of 11587191366 in words is "eleven billion, five hundred eighty-seven million, one hundred ninety-one thousand, three hundred sixty-six".