255531012836 has 24 divisors (see below), whose sum is σ = 487903142496. Its totient is φ = 116133505920.

The previous prime is 255531012823. The next prime is 255531012839. The reversal of 255531012836 is 638210135552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255531012793 and 255531012802.

It is not an unprimeable number, because it can be changed into a prime (255531012839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116501 + ... + 724316.

It is an arithmetic number, because the mean of its divisors is an integer number (20329297604).

Almost surely, 2^255531012836 is an apocalyptic number.

It is an amenable number.

255531012836 is a deficient number, since it is larger than the sum of its proper divisors (232372129660).

255531012836 is a wasteful number, since it uses less digits than its factorization.

255531012836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847739 (or 847737 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 255531012836 in words is "two hundred fifty-five billion, five hundred thirty-one million, twelve thousand, eight hundred thirty-six".