11153543472 has 60 divisors (see below), whose sum is σ = 31224088584. Its totient is φ = 3716697600.

The previous prime is 11153543449. The next prime is 11153543497. The reversal of 11153543472 is 27434535111.

11153543472 is a `hidden beast` number, since 1 + 1 + 153 + 5 + 434 + 72 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 544488 + ... + 564600.

Almost surely, 2^11153543472 is an apocalyptic number.

11153543472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11153543472 is an abundant number, since it is smaller than the sum of its proper divisors (20070545112).

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

11153543472 is a wasteful number, since it uses less digits than its factorization.

11153543472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23978 (or 23969 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The spelling of 11153543472 in words is "eleven billion, one hundred fifty-three million, five hundred forty-three thousand, four hundred seventy-two".