255415142853 has 72 divisors (see below), whose sum is σ = 426567136632. Its totient is φ = 146280017664.

The previous prime is 255415142833. The next prime is 255415142861. The reversal of 255415142853 is 358241514552.

255415142853 is a `hidden beast` number, since 2 + 5 + 54 + 1 + 514 + 2 + 85 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2881757124 + 252533385729 = 53682^2 + 502527^2 .

It is not a de Polignac number, because 255415142853 - 2¹² = 255415138757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255415142799 and 255415142808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255415142813) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2234275 + ... + 2345807.

Almost surely, 2^255415142853 is an apocalyptic number.

255415142853 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

255415142853 is a deficient number, since it is larger than the sum of its proper divisors (171151993779).

255415142853 is a wasteful number, since it uses less digits than its factorization.

255415142853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111635 (or 111609 counting only the distinct ones).

The product of its digits is 960000, while the sum is 45.

The spelling of 255415142853 in words is "two hundred fifty-five billion, four hundred fifteen million, one hundred forty-two thousand, eight hundred fifty-three".