254026287155 has 4 divisors (see below), whose sum is σ = 304831544592. Its totient is φ = 203221029720.

The previous prime is 254026287121. The next prime is 254026287157. The reversal of 254026287155 is 551782620452.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 254026287155 - 2²² = 254022092851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254026287157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25402628711 + ... + 25402628720.

It is an arithmetic number, because the mean of its divisors is an integer number (76207886148).

Almost surely, 2^254026287155 is an apocalyptic number.

254026287155 is a deficient number, since it is larger than the sum of its proper divisors (50805257437).

254026287155 is an equidigital number, since it uses as much as digits as its factorization.

254026287155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50805257436.

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 254026287155 in words is "two hundred fifty-four billion, twenty-six million, two hundred eighty-seven thousand, one hundred fifty-five".