254878065119 has 4 divisors (see below), whose sum is σ = 254879308320. Its totient is φ = 254876821920.

The previous prime is 254878065083. The next prime is 254878065149. The reversal of 254878065119 is 911560878452.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-254878065119 is a prime.

It is a super-2 number, since 2×254878065119² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254878065149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233162 + ... + 751079.

It is an arithmetic number, because the mean of its divisors is an integer number (63719827080).

Almost surely, 2^254878065119 is an apocalyptic number.

254878065119 is a deficient number, since it is larger than the sum of its proper divisors (1243201).

254878065119 is an equidigital number, since it uses as much as digits as its factorization.

254878065119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243200.

The product of its (nonzero) digits is 4838400, while the sum is 56.

The spelling of 254878065119 in words is "two hundred fifty-four billion, eight hundred seventy-eight million, sixty-five thousand, one hundred nineteen".