11689125733 has 4 divisors (see below), whose sum is σ = 11697284268. Its totient is φ = 11680967200.

The previous prime is 11689125709. The next prime is 11689125769. The reversal of 11689125733 is 33752198611.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33752198611 = 1321 ⋅25550491.

It can be written as a sum of positive squares in 2 ways, for example, as 10842432129 + 846693604 = 104127^2 + 29098^2 .

It is a cyclic number.

It is not a de Polignac number, because 11689125733 - 2¹³ = 11689117541 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 (11689125233) 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, 4077118 + ... + 4079983.

It is an arithmetic number, because the mean of its divisors is an integer number (2924321067).

Almost surely, 2^11689125733 is an apocalyptic number.

It is an amenable number.

11689125733 is a deficient number, since it is larger than the sum of its proper divisors (8158535).

11689125733 is an equidigital number, since it uses as much as digits as its factorization.

11689125733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8158534.

The product of its digits is 272160, while the sum is 46.

The spelling of 11689125733 in words is "eleven billion, six hundred eighty-nine million, one hundred twenty-five thousand, seven hundred thirty-three".