11540204122544 has 40 divisors (see below), whose sum is σ = 23343780307200. Its totient is φ = 5516271528768.

The previous prime is 11540204122519. The next prime is 11540204122547. The reversal of 11540204122544 is 44522140204511.

It is a happy number.

It is a super-2 number, since 2×11540204122544² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11540204122547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7711244 + ... + 9085355.

It is an arithmetic number, because the mean of its divisors is an integer number (583594507680).

Almost surely, 2^{11540204122544} is an apocalyptic number.

It is an amenable number.

11540204122544 is an abundant number, since it is smaller than the sum of its proper divisors (11803576184656).

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

11540204122544 is a wasteful number, since it uses less digits than its factorization.

11540204122544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16798497 (or 16798491 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 35.

The spelling of 11540204122544 in words is "eleven trillion, five hundred forty billion, two hundred four million, one hundred twenty-two thousand, five hundred forty-four".