11493531900 has 54 divisors (see below), whose sum is σ = 36025840032. Its totient is φ = 3064941600.

The previous prime is 11493531899. The next prime is 11493531937. The reversal of 11493531900 is 913539411.

11493531900 is a `hidden beast` number, since 114 + 9 + 3 + 531 + 9 + 0 + 0 = 666.

It is a super-2 number, since 2×11493531900² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6384396 + ... + 6386195.

Almost surely, 2^11493531900 is an apocalyptic number.

11493531900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11493531900 is an abundant number, since it is smaller than the sum of its proper divisors (24532308132).

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

11493531900 is a wasteful number, since it uses less digits than its factorization.

11493531900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770611 (or 12770601 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The spelling of 11493531900 in words is "eleven billion, four hundred ninety-three million, five hundred thirty-one thousand, nine hundred".