255552451157 has 4 divisors (see below), whose sum is σ = 259053169740. Its totient is φ = 252051732576.

The previous prime is 255552451129. The next prime is 255552451249. The reversal of 255552451157 is 751154255552.

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 46382513956 + 209169937201 = 215366^2 + 457351^2 .

It is a cyclic number.

It is not a de Polignac number, because 255552451157 - 2¹⁰ = 255552450133 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 (255552451117) 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, 1750359182 + ... + 1750359327.

It is an arithmetic number, because the mean of its divisors is an integer number (64763292435).

Almost surely, 2^255552451157 is an apocalyptic number.

It is an amenable number.

255552451157 is a deficient number, since it is larger than the sum of its proper divisors (3500718583).

255552451157 is an equidigital number, since it uses as much as digits as its factorization.

255552451157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3500718582.

The product of its digits is 1750000, while the sum is 47.

The spelling of 255552451157 in words is "two hundred fifty-five billion, five hundred fifty-two million, four hundred fifty-one thousand, one hundred fifty-seven".