11725167085 has 8 divisors (see below), whose sum is σ = 14413376376. Its totient is φ = 9151349760.

The previous prime is 11725167049. The next prime is 11725167089. The reversal of 11725167085 is 58076152711.

It can be written as a sum of positive squares in 4 ways, for example, as 584575684 + 11140591401 = 24178^2 + 105549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11725167085 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 (11725167089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28597764 + ... + 28598173.

It is an arithmetic number, because the mean of its divisors is an integer number (1801672047).

Almost surely, 2^11725167085 is an apocalyptic number.

It is an amenable number.

11725167085 is a deficient number, since it is larger than the sum of its proper divisors (2688209291).

11725167085 is an equidigital number, since it uses as much as digits as its factorization.

11725167085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57195983.

The product of its (nonzero) digits is 117600, while the sum is 43.

The spelling of 11725167085 in words is "eleven billion, seven hundred twenty-five million, one hundred sixty-seven thousand, eighty-five".