255012355051636 has 72 divisors (see below), whose sum is σ = 559070190802536. Its totient is φ = 100883170725120.

The previous prime is 255012355051501. The next prime is 255012355051637. The reversal of 255012355051636 is 636150553210552.

It can be written as a sum of positive squares in 4 ways, for example, as 37386425429136 + 217625929622500 = 6114444^2 + 14752150^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 255012355051636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255012355051637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 371861626 + ... + 372546766.

Almost surely, 2^{255012355051636} is an apocalyptic number.

255012355051636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

255012355051636 is an abundant number, since it is smaller than the sum of its proper divisors (304057835750900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255012355051636 is a wasteful number, since it uses less digits than its factorization.

255012355051636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831249 (or 831240 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 49.

The spelling of 255012355051636 in words is "two hundred fifty-five trillion, twelve billion, three hundred fifty-five million, fifty-one thousand, six hundred thirty-six".