12763395257520 has 40 divisors (see below), whose sum is σ = 39566525299056. Its totient is φ = 3403572068608.

The previous prime is 12763395257513. The next prime is 12763395257531. The reversal of 12763395257520 is 2575259336721.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26590406547 + ... + 26590407026.

Almost surely, 2^{12763395257520} is an apocalyptic number.

12763395257520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12763395257520 is an abundant number, since it is smaller than the sum of its proper divisors (26803130041536).

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

12763395257520 is a wasteful number, since it uses less digits than its factorization.

12763395257520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53180813589 (or 53180813583 counting only the distinct ones).

The product of its (nonzero) digits is 23814000, while the sum is 57.

The spelling of 12763395257520 in words is "twelve trillion, seven hundred sixty-three billion, three hundred ninety-five million, two hundred fifty-seven thousand, five hundred twenty".