11072512500 has 144 divisors (see below), whose sum is σ = 36906887808. Its totient is φ = 2530800000.

The previous prime is 11072512499. The next prime is 11072512567. The reversal of 11072512500 is 521527011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 241410 + ... + 283590.

It is an arithmetic number, because the mean of its divisors is an integer number (256297832).

Almost surely, 2^11072512500 is an apocalyptic number.

11072512500 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 11072512500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18453443904).

11072512500 is an abundant number, since it is smaller than the sum of its proper divisors (25834375308).

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

11072512500 is an equidigital number, since it uses as much as digits as its factorization.

11072512500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42220 (or 42198 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 24.

The spelling of 11072512500 in words is "eleven billion, seventy-two million, five hundred twelve thousand, five hundred".