113450625109 has 12 divisors (see below), whose sum is σ = 119385735660. Its totient is φ = 107681853440.

The previous prime is 113450625007. The next prime is 113450625121. The reversal of 113450625109 is 901526054311.

It can be written as a sum of positive squares in 2 ways, for example, as 89372896209 + 24077728900 = 298953^2 + 155170^2 .

It is not a de Polignac number, because 113450625109 - 2²⁷ = 113316407381 is a prime.

It is a super-2 number, since 2×113450625109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113450625139) 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, 460972 + ... + 662869.

It is an arithmetic number, because the mean of its divisors is an integer number (9948811305).

Almost surely, 2^113450625109 is an apocalyptic number.

It is an amenable number.

113450625109 is a deficient number, since it is larger than the sum of its proper divisors (5935110551).

113450625109 is an equidigital number, since it uses as much as digits as its factorization.

113450625109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123988 (or 1123929 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 113450625109 in words is "one hundred thirteen billion, four hundred fifty million, six hundred twenty-five thousand, one hundred nine".