11072615257109 has 6 divisors (see below), whose sum is σ = 12880389176694. Its totient is φ = 9490813077480.

The previous prime is 11072615257079. The next prime is 11072615257127. The reversal of 11072615257109 is 90175251627011.

It can be written as a sum of positive squares in only one way, i.e., 8862249164209 + 2210366092900 = 2976953^2 + 1486730^2 .

It is not a de Polignac number, because 11072615257109 - 2⁸ = 11072615256853 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11072615257169) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112985869922 + ... + 112985870019.

It is an arithmetic number, because the mean of its divisors is an integer number (2146731529449).

Almost surely, 2^{11072615257109} is an apocalyptic number.

It is an amenable number.

11072615257109 is a deficient number, since it is larger than the sum of its proper divisors (1807773919585).

11072615257109 is an equidigital number, since it uses as much as digits as its factorization.

11072615257109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225971739955 (or 225971739948 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 47.

The spelling of 11072615257109 in words is "eleven trillion, seventy-two billion, six hundred fifteen million, two hundred fifty-seven thousand, one hundred nine".