11132122540 has 48 divisors (see below), whose sum is σ = 29145924864. Its totient is φ = 3469752000.

The previous prime is 11132122513. The next prime is 11132122541. The reversal of 11132122540 is 4522123111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11132122541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3612786 + ... + 3615865.

It is an arithmetic number, because the mean of its divisors is an integer number (607206768).

Almost surely, 2^11132122540 is an apocalyptic number.

11132122540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11132122540 is an abundant number, since it is smaller than the sum of its proper divisors (18013802324).

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

11132122540 is a wasteful number, since it uses less digits than its factorization.

11132122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7228678 (or 7228676 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 11132122540 its reverse (4522123111), we get a palindrome (15654245651).

The spelling of 11132122540 in words is "eleven billion, one hundred thirty-two million, one hundred twenty-two thousand, five hundred forty".