11550133692 has 18 divisors (see below), whose sum is σ = 29196171368. Its totient is φ = 3850044552.

The previous prime is 11550133691. The next prime is 11550133697. The reversal of 11550133692 is 29633105511.

It is a happy number.

11550133692 is a `hidden beast` number, since 1 + 1 + 550 + 13 + 3 + 6 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 320837047 = 11550133692 / (1 + 1 + 5 + 5 + 0 + 1 + 3 + 3 + 6 + 9 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11550133691) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 160418488 + ... + 160418559.

Almost surely, 2^11550133692 is an apocalyptic number.

11550133692 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11550133692 is an abundant number, since it is smaller than the sum of its proper divisors (17646037676).

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

11550133692 is a wasteful number, since it uses less digits than its factorization.

11550133692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320837057 (or 320837052 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The spelling of 11550133692 in words is "eleven billion, five hundred fifty million, one hundred thirty-three thousand, six hundred ninety-two".