11550122542 has 8 divisors (see below), whose sum is σ = 19800210096. Its totient is φ = 4950052512.

The previous prime is 11550122539. The next prime is 11550122567. The reversal of 11550122542 is 24522105511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11550122542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412504363 + ... + 412504390.

It is an arithmetic number, because the mean of its divisors is an integer number (2475026262).

Almost surely, 2^11550122542 is an apocalyptic number.

11550122542 is a deficient number, since it is larger than the sum of its proper divisors (8250087554).

11550122542 is an equidigital number, since it uses as much as digits as its factorization.

11550122542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825008762.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 11550122542 in words is "eleven billion, five hundred fifty million, one hundred twenty-two thousand, five hundred forty-two".