255111632463 has 8 divisors (see below), whose sum is σ = 340151786800. Its totient is φ = 170072949888.

The previous prime is 255111632459. The next prime is 255111632483. The reversal of 255111632463 is 364236111552.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255111632463 - 2² = 255111632459 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 (255111632483) 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 7 ways as a sum of consecutive naturals, for example, 134553 + ... + 726861.

It is an arithmetic number, because the mean of its divisors is an integer number (42518973350).

Almost surely, 2^255111632463 is an apocalyptic number.

255111632463 is a deficient number, since it is larger than the sum of its proper divisors (85040154337).

255111632463 is a wasteful number, since it uses less digits than its factorization.

255111632463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735881.

The product of its digits is 129600, while the sum is 39.

The spelling of 255111632463 in words is "two hundred fifty-five billion, one hundred eleven million, six hundred thirty-two thousand, four hundred sixty-three".