263064131015 has 24 divisors (see below), whose sum is σ = 373440073680. Its totient is φ = 177329419008.

The previous prime is 263064130961. The next prime is 263064131053. The reversal of 263064131015 is 510131460362.

It is not a de Polignac number, because 263064131015 - 2⁸ = 263064130759 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 9084962 + ... + 9113871.

It is an arithmetic number, because the mean of its divisors is an integer number (15560003070).

Almost surely, 2^263064131015 is an apocalyptic number.

263064131015 is a deficient number, since it is larger than the sum of its proper divisors (110375942665).

263064131015 is a wasteful number, since it uses less digits than its factorization.

263064131015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18198911 (or 18198904 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 263064131015 its reverse (510131460362), we get a palindrome (773195591377).

The spelling of 263064131015 in words is "two hundred sixty-three billion, sixty-four million, one hundred thirty-one thousand, fifteen".