254055455411221 has 4 divisors (see below), whose sum is σ = 255576745563552. Its totient is φ = 252534165258892.

The previous prime is 254055455411213. The next prime is 254055455411239. The reversal of 254055455411221 is 122114554550452.

It is a happy number.

254055455411221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 254055455411221 - 2³ = 254055455411213 is a prime.

It is a super-3 number, since 3×254055455411221³ (a number of 44 digits) contains 333 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 (254055455411921) 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, 760645075915 + ... + 760645076248.

It is an arithmetic number, because the mean of its divisors is an integer number (63894186390888).

Almost surely, 2^{254055455411221} is an apocalyptic number.

It is an amenable number.

254055455411221 is a deficient number, since it is larger than the sum of its proper divisors (1521290152331).

254055455411221 is a wasteful number, since it uses less digits than its factorization.

254055455411221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521290152330.

The product of its (nonzero) digits is 1600000, while the sum is 46.

The spelling of 254055455411221 in words is "two hundred fifty-four trillion, fifty-five billion, four hundred fifty-five million, four hundred eleven thousand, two hundred twenty-one".