11513340500 has 48 divisors (see below), whose sum is σ = 25214052864. Its totient is φ = 4592714400.

The previous prime is 11513340481. The next prime is 11513340521. The reversal of 11513340500 is 504331511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152129 + ... + 214871.

It is an arithmetic number, because the mean of its divisors is an integer number (525292768).

Almost surely, 2^11513340500 is an apocalyptic number.

11513340500 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 11513340500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12607026432).

11513340500 is an abundant number, since it is smaller than the sum of its proper divisors (13700712364).

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

11513340500 is a wasteful number, since it uses less digits than its factorization.

11513340500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63129 (or 63117 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 11513340500 in words is "eleven billion, five hundred thirteen million, three hundred forty thousand, five hundred".