63755775525 has 48 divisors (see below), whose sum is σ = 113546482560. Its totient is φ = 31379577600.

The previous prime is 63755775511. The next prime is 63755775541. The reversal of 63755775525 is 52557755736.

It is not a de Polignac number, because 63755775525 - 2⁷ = 63755775397 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 (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6616411 + ... + 6626039.

It is an arithmetic number, because the mean of its divisors is an integer number (2365551720).

Almost surely, 2^63755775525 is an apocalyptic number.

63755775525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63755775525 is a deficient number, since it is larger than the sum of its proper divisors (49790707035).

63755775525 is a wasteful number, since it uses less digits than its factorization.

63755775525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16446 (or 16441 counting only the distinct ones).

The product of its digits is 38587500, while the sum is 57.

The spelling of 63755775525 in words is "sixty-three billion, seven hundred fifty-five million, seven hundred seventy-five thousand, five hundred twenty-five".