11153231864 has 16 divisors (see below), whose sum is σ = 20922380520. Its totient is φ = 5573930400.

The previous prime is 11153231839. The next prime is 11153231879. The reversal of 11153231864 is 46813235111.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317987 + ... + 351314.

Almost surely, 2^11153231864 is an apocalyptic number.

It is an amenable number.

11153231864 is a deficient number, since it is larger than the sum of its proper divisors (9769148656).

11153231864 is a wasteful number, since it uses less digits than its factorization.

11153231864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671390 (or 671386 counting only the distinct ones).

The product of its digits is 17280, while the sum is 35.

Adding to 11153231864 its reverse (46813235111), we get a palindrome (57966466975).

The spelling of 11153231864 in words is "eleven billion, one hundred fifty-three million, two hundred thirty-one thousand, eight hundred sixty-four".