11589914261 has 4 divisors (see below), whose sum is σ = 11595912012. Its totient is φ = 11583916512.

The previous prime is 11589914251. The next prime is 11589914267. The reversal of 11589914261 is 16241998511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7287866161 + 4302048100 = 85369^2 + 65590^2 .

It is a cyclic number.

It is not a de Polignac number, because 11589914261 - 2⁶ = 11589914197 is a prime.

It is a super-2 number, since 2×11589914261² (a number of 21 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 (11589914267) 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, 2995976 + ... + 2999841.

It is an arithmetic number, because the mean of its divisors is an integer number (2898978003).

Almost surely, 2^11589914261 is an apocalyptic number.

It is an amenable number.

11589914261 is a deficient number, since it is larger than the sum of its proper divisors (5997751).

11589914261 is an equidigital number, since it uses as much as digits as its factorization.

11589914261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5997750.

The product of its digits is 155520, while the sum is 47.

The spelling of 11589914261 in words is "eleven billion, five hundred eighty-nine million, nine hundred fourteen thousand, two hundred sixty-one".