11153100450 has 24 divisors (see below), whose sum is σ = 27659689488. Its totient is φ = 2974160080.

The previous prime is 11153100443. The next prime is 11153100451. The reversal of 11153100450 is 5400135111.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11153100451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37176852 + ... + 37177151.

It is an arithmetic number, because the mean of its divisors is an integer number (1152487062).

Almost surely, 2^11153100450 is an apocalyptic number.

11153100450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11153100450 is an abundant number, since it is smaller than the sum of its proper divisors (16506589038).

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

11153100450 is a wasteful number, since it uses less digits than its factorization.

11153100450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74354018 (or 74354013 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11153100450 its reverse (5400135111), we get a palindrome (16553235561).

The spelling of 11153100450 in words is "eleven billion, one hundred fifty-three million, one hundred thousand, four hundred fifty".