11125030109 has 4 divisors (see below), whose sum is σ = 11483902080. Its totient is φ = 10766158140.

The previous prime is 11125030087. The next prime is 11125030117. The reversal of 11125030109 is 90103052111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11125030109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125030139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179435939 + ... + 179436000.

It is an arithmetic number, because the mean of its divisors is an integer number (2870975520).

Almost surely, 2^11125030109 is an apocalyptic number.

It is an amenable number.

11125030109 is a deficient number, since it is larger than the sum of its proper divisors (358871971).

11125030109 is an equidigital number, since it uses as much as digits as its factorization.

11125030109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358871970.

The product of its (nonzero) digits is 270, while the sum is 23.

The spelling of 11125030109 in words is "eleven billion, one hundred twenty-five million, thirty thousand, one hundred nine".