11142210254 has 40 divisors (see below), whose sum is σ = 19639155480. Its totient is φ = 4740594768.

The previous prime is 11142210221. The next prime is 11142210293. The reversal of 11142210254 is 45201224111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 659132 + ... + 675824.

It is an arithmetic number, because the mean of its divisors is an integer number (490978887).

Almost surely, 2^11142210254 is an apocalyptic number.

11142210254 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11142210254 is a deficient number, since it is larger than the sum of its proper divisors (8496945226).

11142210254 is an equidigital number, since it uses as much as digits as its factorization.

11142210254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16862 (or 16841 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 11142210254 its reverse (45201224111), we get a palindrome (56343434365).

The spelling of 11142210254 in words is "eleven billion, one hundred forty-two million, two hundred ten thousand, two hundred fifty-four".