11572500380 has 24 divisors (see below), whose sum is σ = 27774001248. Its totient is φ = 3967714368.

The previous prime is 11572500371. The next prime is 11572500391. The reversal of 11572500380 is 8300527511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41330219 + ... + 41330498.

It is an arithmetic number, because the mean of its divisors is an integer number (1157250052).

Almost surely, 2^11572500380 is an apocalyptic number.

11572500380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11572500380 is an abundant number, since it is smaller than the sum of its proper divisors (16201500868).

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

11572500380 is a wasteful number, since it uses less digits than its factorization.

11572500380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82660733 (or 82660731 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 11572500380 in words is "eleven billion, five hundred seventy-two million, five hundred thousand, three hundred eighty".