1111012625 has 16 divisors (see below), whose sum is σ = 1400287824. Its totient is φ = 880000000.

The previous prime is 1111012619. The next prime is 1111012633. The reversal of 1111012625 is 5262101111.

It can be written as a sum of positive squares in 8 ways, for example, as 412414864 + 698597761 = 20308^2 + 26431^2 .

It is not a de Polignac number, because 1111012625 - 2²⁰ = 1109964049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111012597 and 1111012606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31376 + ... + 56625.

It is an arithmetic number, because the mean of its divisors is an integer number (87517989).

Almost surely, 2^1111012625 is an apocalyptic number.

It is an amenable number.

1111012625 is a deficient number, since it is larger than the sum of its proper divisors (289275199).

1111012625 is an equidigital number, since it uses as much as digits as its factorization.

1111012625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88117 (or 88107 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 1111012625 is about 33331.8560089294. The cubic root of 1111012625 is about 1035.7135658225.

Adding to 1111012625 its reverse (5262101111), we get a palindrome (6373113736).

The spelling of 1111012625 in words is "one billion, one hundred eleven million, twelve thousand, six hundred twenty-five".