255100420311 has 32 divisors (see below), whose sum is σ = 381164797440. Its totient is φ = 150414988800.

The previous prime is 255100420303. The next prime is 255100420319. The reversal of 255100420311 is 113024001552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255100420303) and next prime (255100420319).

It is not a de Polignac number, because 255100420311 - 2³ = 255100420303 is a prime.

It is a super-2 number, since 2×255100420311² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255100420319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223131 + ... + 748323.

It is an arithmetic number, because the mean of its divisors is an integer number (11911399920).

Almost surely, 2^255100420311 is an apocalyptic number.

255100420311 is a deficient number, since it is larger than the sum of its proper divisors (126064377129).

255100420311 is a wasteful number, since it uses less digits than its factorization.

255100420311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525607.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 255100420311 its reverse (113024001552), we get a palindrome (368124421863).

The spelling of 255100420311 in words is "two hundred fifty-five billion, one hundred million, four hundred twenty thousand, three hundred eleven".