263775252775 has 6 divisors (see below), whose sum is σ = 327081313472. Its totient is φ = 211020202200.

The previous prime is 263775252749. The next prime is 263775252803. The reversal of 263775252775 is 577252577362.

It is a de Polignac number, because none of the positive numbers 2^k-263775252775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5275505031 + ... + 5275505080.

Almost surely, 2^263775252775 is an apocalyptic number.

263775252775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

263775252775 is a deficient number, since it is larger than the sum of its proper divisors (63306060697).

263775252775 is a wasteful number, since it uses less digits than its factorization.

263775252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10551010121 (or 10551010116 counting only the distinct ones).

The product of its digits is 43218000, while the sum is 58.

The spelling of 263775252775 in words is "two hundred sixty-three billion, seven hundred seventy-five million, two hundred fifty-two thousand, seven hundred seventy-five".