11142172493459 has 8 divisors (see below), whose sum is σ = 12734357218560. Its totient is φ = 9550099217736.

The previous prime is 11142172493437. The next prime is 11142172493483. The reversal of 11142172493459 is 95439427124111.

11142172493459 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11142172493459 - 2⁴⁰ = 10042660865683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11142172493459.

It is not an unprimeable number, because it can be changed into a prime (11142172493759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27647999 + ... + 28048104.

It is an arithmetic number, because the mean of its divisors is an integer number (1591794652320).

Almost surely, 2^{11142172493459} is an apocalyptic number.

11142172493459 is a deficient number, since it is larger than the sum of its proper divisors (1592184725101).

11142172493459 is an equidigital number, since it uses as much as digits as its factorization.

11142172493459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55724689.

The product of its digits is 2177280, while the sum is 53.

The spelling of 11142172493459 in words is "eleven trillion, one hundred forty-two billion, one hundred seventy-two million, four hundred ninety-three thousand, four hundred fifty-nine".