10663663125 has 40 divisors (see below), whose sum is σ = 17782182880. Its totient is φ = 5682456000.

The previous prime is 10663663111. The next prime is 10663663147. The reversal of 10663663125 is 52136636601.

It is a happy number.

It is not a de Polignac number, because 10663663125 - 2⁹ = 10663662613 is a prime.

It is a super-2 number, since 2×10663663125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3802974 + ... + 3805776.

It is an arithmetic number, because the mean of its divisors is an integer number (444554572).

Almost surely, 2^10663663125 is an apocalyptic number.

10663663125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10663663125 is a deficient number, since it is larger than the sum of its proper divisors (7118519755).

10663663125 is an equidigital number, since it uses as much as digits as its factorization.

10663663125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4855 (or 4840 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 10663663125 in words is "ten billion, six hundred sixty-three million, six hundred sixty-three thousand, one hundred twenty-five".