11493267768 has 32 divisors (see below), whose sum is σ = 31925744400. Its totient is φ = 3831089184.

The previous prime is 11493267767. The next prime is 11493267787. The reversal of 11493267768 is 86776239411.

11493267768 is a `hidden beast` number, since 1 + 1 + 493 + 26 + 77 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11493267767) 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, 26604571 + ... + 26605002.

Almost surely, 2^11493267768 is an apocalyptic number.

11493267768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11493267768 is an abundant number, since it is smaller than the sum of its proper divisors (20432476632).

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

11493267768 is a wasteful number, since it uses less digits than its factorization.

11493267768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53209588 (or 53209578 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The spelling of 11493267768 in words is "eleven billion, four hundred ninety-three million, two hundred sixty-seven thousand, seven hundred sixty-eight".