254536421111 has 24 divisors (see below), whose sum is σ = 301176144000. Its totient is φ = 214430468784.

The previous prime is 254536421093. The next prime is 254536421119. The reversal of 254536421111 is 111124635452.

It is a happy number.

It is not a de Polignac number, because 254536421111 - 2²² = 254532226807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254536421119) 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 23 ways as a sum of consecutive naturals, for example, 26184710 + ... + 26194428.

It is an arithmetic number, because the mean of its divisors is an integer number (12549006000).

Almost surely, 2^254536421111 is an apocalyptic number.

254536421111 is a deficient number, since it is larger than the sum of its proper divisors (46639722889).

254536421111 is an equidigital number, since it uses as much as digits as its factorization.

254536421111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18851 (or 18844 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The spelling of 254536421111 in words is "two hundred fifty-four billion, five hundred thirty-six million, four hundred twenty-one thousand, one hundred eleven".