11452728500 has 24 divisors (see below), whose sum is σ = 25012760136. Its totient is φ = 4581091200.

The previous prime is 11452728493. The next prime is 11452728503. The reversal of 11452728500 is 582725411.

It can be written as a sum of positive squares in 4 ways, for example, as 677873296 + 10774855204 = 26036^2 + 103802^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11452728503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11452229 + ... + 11453228.

It is an arithmetic number, because the mean of its divisors is an integer number (1042198339).

Almost surely, 2^11452728500 is an apocalyptic number.

11452728500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11452728500 is an abundant number, since it is smaller than the sum of its proper divisors (13560031636).

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

11452728500 is a wasteful number, since it uses less digits than its factorization.

11452728500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22905476 (or 22905464 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

The spelling of 11452728500 in words is "eleven billion, four hundred fifty-two million, seven hundred twenty-eight thousand, five hundred".