254511223157 has 16 divisors (see below), whose sum is σ = 273590073792. Its totient is φ = 235906993920.

The previous prime is 254511223111. The next prime is 254511223181. The reversal of 254511223157 is 751322115452.

It is a cyclic number.

It is not a de Polignac number, because 254511223157 - 2⁶ = 254511223093 is a prime.

It is a super-3 number, since 3×254511223157³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 254511223157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254511223457) 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 15 ways as a sum of consecutive naturals, for example, 162782 + ... + 731792.

It is an arithmetic number, because the mean of its divisors is an integer number (17099379612).

Almost surely, 2^254511223157 is an apocalyptic number.

It is an amenable number.

254511223157 is a deficient number, since it is larger than the sum of its proper divisors (19078850635).

254511223157 is a wasteful number, since it uses less digits than its factorization.

254511223157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569428.

The product of its digits is 84000, while the sum is 38.

The spelling of 254511223157 in words is "two hundred fifty-four billion, five hundred eleven million, two hundred twenty-three thousand, one hundred fifty-seven".