1113451152 has 40 divisors (see below), whose sum is σ = 3137909280. Its totient is φ = 337409280.

The previous prime is 1113451133. The next prime is 1113451153. The reversal of 1113451152 is 2511543111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1113451153) 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, 1053877 + ... + 1054932.

It is an arithmetic number, because the mean of its divisors is an integer number (78447732).

Almost surely, 2^1113451152 is an apocalyptic number.

1113451152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1113451152 is an abundant number, since it is smaller than the sum of its proper divisors (2024458128).

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

1113451152 is a wasteful number, since it uses less digits than its factorization.

1113451152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2108831 (or 2108825 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 1113451152 is about 33368.4154853059. The cubic root of 1113451152 is about 1036.4707639225.

Adding to 1113451152 its reverse (2511543111), we get a palindrome (3624994263).

The spelling of 1113451152 in words is "one billion, one hundred thirteen million, four hundred fifty-one thousand, one hundred fifty-two".