10203311825 has 24 divisors (see below), whose sum is σ = 14464282560. Its totient is φ = 6994267200.

The previous prime is 10203311791. The next prime is 10203311837. The reversal of 10203311825 is 52811330201.

It is a de Polignac number, because none of the positive numbers 2^k-10203311825 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10203311794 and 10203311803.

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, 661046 + ... + 676304.

It is an arithmetic number, because the mean of its divisors is an integer number (602678440).

Almost surely, 2^10203311825 is an apocalyptic number.

It is an amenable number.

10203311825 is a deficient number, since it is larger than the sum of its proper divisors (4260970735).

10203311825 is a wasteful number, since it uses less digits than its factorization.

10203311825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19097 (or 19092 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 10203311825 in words is "ten billion, two hundred three million, three hundred eleven thousand, eight hundred twenty-five".