255534157133 has 4 divisors (see below), whose sum is σ = 255547957788. Its totient is φ = 255520356480.

The previous prime is 255534157103. The next prime is 255534157139. The reversal of 255534157133 is 331751435552.

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

It can be written as a sum of positive squares in 2 ways, for example, as 120754860004 + 134779297129 = 347498^2 + 367123^2 .

It is a cyclic number.

It is not a de Polignac number, because 255534157133 - 2⁶ = 255534157069 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 (255534157139) 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, 6872516 + ... + 6909597.

It is an arithmetic number, because the mean of its divisors is an integer number (63886989447).

Almost surely, 2^255534157133 is an apocalyptic number.

It is an amenable number.

255534157133 is a deficient number, since it is larger than the sum of its proper divisors (13800655).

255534157133 is a wasteful number, since it uses less digits than its factorization.

255534157133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800654.

The product of its digits is 945000, while the sum is 44.

The spelling of 255534157133 in words is "two hundred fifty-five billion, five hundred thirty-four million, one hundred fifty-seven thousand, one hundred thirty-three".