11542221333744 has 20 divisors (see below), whose sum is σ = 29817405112296. Its totient is φ = 3847407111232.

The previous prime is 11542221333739. The next prime is 11542221333763. The reversal of 11542221333744 is 44733312224511.

It is a junction number, because it is equal to n+sod(n) for n = 11542221333696 and 11542221333705.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 120231472179 + ... + 120231472274.

Almost surely, 2^{11542221333744} is an apocalyptic number.

It is an amenable number.

11542221333744 is an abundant number, since it is smaller than the sum of its proper divisors (18275183778552).

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

11542221333744 is a wasteful number, since it uses less digits than its factorization.

11542221333744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240462944464 (or 240462944458 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The spelling of 11542221333744 in words is "eleven trillion, five hundred forty-two billion, two hundred twenty-one million, three hundred thirty-three thousand, seven hundred forty-four".