10921310425 has 24 divisors (see below), whose sum is σ = 14688794232. Its totient is φ = 8022528000.

The previous prime is 10921310401. The next prime is 10921310437. The reversal of 10921310425 is 52401312901.

It can be written as a sum of positive squares in 12 ways, for example, as 3255957721 + 7665352704 = 57061^2 + 87552^2 .

It is not a de Polignac number, because 10921310425 - 2⁷ = 10921310297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10921310393 and 10921310402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 295956 + ... + 330805.

It is an arithmetic number, because the mean of its divisors is an integer number (612033093).

Almost surely, 2^10921310425 is an apocalyptic number.

It is an amenable number.

10921310425 is a deficient number, since it is larger than the sum of its proper divisors (3767483807).

10921310425 is a wasteful number, since it uses less digits than its factorization.

10921310425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626829 (or 626824 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 10921310425 in words is "ten billion, nine hundred twenty-one million, three hundred ten thousand, four hundred twenty-five".