11537363133 has 24 divisors (see below), whose sum is σ = 16810060800. Its totient is φ = 7624761984.

The previous prime is 11537363129. The next prime is 11537363143. The reversal of 11537363133 is 33136373511.

11537363133 is a `hidden beast` number, since 1 + 15 + 3 + 7 + 3 + 631 + 3 + 3 = 666.

It is not a de Polignac number, because 11537363133 - 2² = 11537363129 is a prime.

It is a super-2 number, since 2×11537363133² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11537363143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1698538 + ... + 1705316.

It is an arithmetic number, because the mean of its divisors is an integer number (700419200).

Almost surely, 2^11537363133 is an apocalyptic number.

It is an amenable number.

11537363133 is a deficient number, since it is larger than the sum of its proper divisors (5272697667).

11537363133 is a wasteful number, since it uses less digits than its factorization.

11537363133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8401 (or 8398 counting only the distinct ones).

The product of its digits is 51030, while the sum is 36.

The spelling of 11537363133 in words is "eleven billion, five hundred thirty-seven million, three hundred sixty-three thousand, one hundred thirty-three".