11845823140 has 24 divisors (see below), whose sum is σ = 25734030840. Its totient is φ = 4574938368.

The previous prime is 11845823131. The next prime is 11845823179. The reversal of 11845823140 is 4132854811.

It can be written as a sum of positive squares in 4 ways, for example, as 112896 + 11845710244 = 336^2 + 108838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11845823140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10211337 + ... + 10212496.

It is an arithmetic number, because the mean of its divisors is an integer number (1072251285).

Almost surely, 2^11845823140 is an apocalyptic number.

11845823140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11845823140 is an abundant number, since it is smaller than the sum of its proper divisors (13888207700).

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

11845823140 is a wasteful number, since it uses less digits than its factorization.

11845823140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20423871 (or 20423869 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 11845823140 in words is "eleven billion, eight hundred forty-five million, eight hundred twenty-three thousand, one hundred forty".