10261811925 has 36 divisors (see below), whose sum is σ = 18681382564. Its totient is φ = 5383238400.

The previous prime is 10261811909. The next prime is 10261811941. The reversal of 10261811925 is 52911816201.

10261811925 is a `hidden beast` number, since 1 + 0 + 2 + 618 + 1 + 19 + 25 = 666.

It is an interprime number because it is at equal distance from previous prime (10261811909) and next prime (10261811941).

It can be written as a sum of positive squares in 6 ways, for example, as 2056713201 + 8205098724 = 45351^2 + 90582^2 .

It is not a de Polignac number, because 10261811925 - 2⁴ = 10261811909 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10261811925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 360112 + ... + 387561.

Almost surely, 2^10261811925 is an apocalyptic number.

10261811925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10261811925 is a deficient number, since it is larger than the sum of its proper divisors (8419570639).

10261811925 is a wasteful number, since it uses less digits than its factorization.

10261811925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747750 (or 747742 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 36.

The spelling of 10261811925 in words is "ten billion, two hundred sixty-one million, eight hundred eleven thousand, nine hundred twenty-five".