109250808725 has 12 divisors (see below), whose sum is σ = 135475212960. Its totient is φ = 87397930800.

The previous prime is 109250808721. The next prime is 109250808739. The reversal of 109250808725 is 527808052901.

It is not a de Polignac number, because 109250808725 - 2² = 109250808721 is a prime.

It is a super-2 number, since 2×109250808725² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 109250808725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109250808721) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1267760 + ... + 1351190.

It is an arithmetic number, because the mean of its divisors is an integer number (11289601080).

Almost surely, 2^109250808725 is an apocalyptic number.

It is an amenable number.

109250808725 is a deficient number, since it is larger than the sum of its proper divisors (26224404235).

109250808725 is an equidigital number, since it uses as much as digits as its factorization.

109250808725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135820 (or 135815 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 109250808725 in words is "one hundred nine billion, two hundred fifty million, eight hundred eight thousand, seven hundred twenty-five".