10231561516 has 48 divisors (see below), whose sum is σ = 19634065920. Its totient is φ = 4626720000.

The previous prime is 10231561511. The next prime is 10231561517. The reversal of 10231561516 is 61516513201.

It is a happy number.

10231561516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (10231561511) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11132905 + ... + 11133823.

It is an arithmetic number, because the mean of its divisors is an integer number (409043040).

Almost surely, 2^10231561516 is an apocalyptic number.

It is an amenable number.

10231561516 is a deficient number, since it is larger than the sum of its proper divisors (9402504404).

10231561516 is a wasteful number, since it uses less digits than its factorization.

10231561516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966 (or 1964 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 10231561516 in words is "ten billion, two hundred thirty-one million, five hundred sixty-one thousand, five hundred sixteen".