254130215455 has 4 divisors (see below), whose sum is σ = 304956258552. Its totient is φ = 203304172360.

The previous prime is 254130215453. The next prime is 254130215567. The reversal of 254130215455 is 554512031452.

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

It is not a de Polignac number, because 254130215455 - 2¹ = 254130215453 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 (254130215453) 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 3 ways as a sum of consecutive naturals, for example, 25413021541 + ... + 25413021550.

It is an arithmetic number, because the mean of its divisors is an integer number (76239064638).

Almost surely, 2^254130215455 is an apocalyptic number.

254130215455 is a deficient number, since it is larger than the sum of its proper divisors (50826043097).

254130215455 is an equidigital number, since it uses as much as digits as its factorization.

254130215455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50826043096.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 254130215455 in words is "two hundred fifty-four billion, one hundred thirty million, two hundred fifteen thousand, four hundred fifty-five".