1113853500 has 144 divisors (see below), whose sum is σ = 3543321600. Its totient is φ = 294537600.

The previous prime is 1113853487. The next prime is 1113853501. The reversal of 1113853500 is 53583111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113853501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 570526 + ... + 572474.

It is an arithmetic number, because the mean of its divisors is an integer number (24606400).

Almost surely, 2^1113853500 is an apocalyptic number.

1113853500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113853500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1771660800).

1113853500 is an abundant number, since it is smaller than the sum of its proper divisors (2429468100).

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

1113853500 is a wasteful number, since it uses less digits than its factorization.

1113853500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 1113853500 is about 33374.4438155904. The cubic root of 1113853500 is about 1036.5955925443.

The spelling of 1113853500 in words is "one billion, one hundred thirteen million, eight hundred fifty-three thousand, five hundred".