10631663280 has 360 divisors, whose sum is σ = 42878219904. Its totient is φ = 2351462400.

The previous prime is 10631663261. The next prime is 10631663309. The reversal of 10631663280 is 8236613601.

10631663280 is a `hidden beast` number, since 1 + 0 + 6 + 3 + 16 + 632 + 8 + 0 = 666.

10631663280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (360).

It is a super-2 number, since 2×10631663280² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1088820 + ... + 1098540.

Almost surely, 2^10631663280 is an apocalyptic number.

10631663280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10631663280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21439109952).

10631663280 is an abundant number, since it is smaller than the sum of its proper divisors (32246556624).

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

10631663280 is a wasteful number, since it uses less digits than its factorization.

10631663280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9769 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 10631663280 in words is "ten billion, six hundred thirty-one million, six hundred sixty-three thousand, two hundred eighty".