11522144040 has 64 divisors (see below), whose sum is σ = 37708839360. Its totient is φ = 2793246720.

The previous prime is 11522144021. The next prime is 11522144059. The reversal of 11522144040 is 4044122511.

It is an interprime number because it is at equal distance from previous prime (11522144021) and next prime (11522144059).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11522144040.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4363129 + ... + 4365768.

It is an arithmetic number, because the mean of its divisors is an integer number (589200615).

Almost surely, 2^11522144040 is an apocalyptic number.

11522144040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11522144040 is an abundant number, since it is smaller than the sum of its proper divisors (26186695320).

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

11522144040 is a wasteful number, since it uses less digits than its factorization.

11522144040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8728922 (or 8728918 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11522144040 its reverse (4044122511), we get a palindrome (15566266551).

The spelling of 11522144040 in words is "eleven billion, five hundred twenty-two million, one hundred forty-four thousand, forty".