1111825825 has 24 divisors (see below), whose sum is σ = 1520929440. Its totient is φ = 799497600.

The previous prime is 1111825817. The next prime is 1111825837. The reversal of 1111825825 is 5285281111.

It is a happy number.

It is not a de Polignac number, because 1111825825 - 2³ = 1111825817 is a prime.

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, 1762 + ... + 47188.

It is an arithmetic number, because the mean of its divisors is an integer number (63372060).

Almost surely, 2^1111825825 is an apocalyptic number.

It is an amenable number.

1111825825 is a deficient number, since it is larger than the sum of its proper divisors (409103615).

1111825825 is a wasteful number, since it uses less digits than its factorization.

1111825825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45537 (or 45532 counting only the distinct ones).

The product of its digits is 6400, while the sum is 34.

The square root of 1111825825 is about 33344.0523182171. The cubic root of 1111825825 is about 1035.9661992744.

The spelling of 1111825825 in words is "one billion, one hundred eleven million, eight hundred twenty-five thousand, eight hundred twenty-five".