11605032086 has 4 divisors (see below), whose sum is σ = 17407548132. Its totient is φ = 5802516042.

The previous prime is 11605032079. The next prime is 11605032157. The reversal of 11605032086 is 68023050611.

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: 68023050611 = 97 ⋅701268563.

It is a super-2 number, since 2×11605032086² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2901258020 + ... + 2901258023.

It is an arithmetic number, because the mean of its divisors is an integer number (4351887033).

Almost surely, 2^11605032086 is an apocalyptic number.

11605032086 is a deficient number, since it is larger than the sum of its proper divisors (5802516046).

11605032086 is an equidigital number, since it uses as much as digits as its factorization.

11605032086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5802516045.

The product of its (nonzero) digits is 8640, while the sum is 32.

Adding to 11605032086 its reverse (68023050611), we get a palindrome (79628082697).

The spelling of 11605032086 in words is "eleven billion, six hundred five million, thirty-two thousand, eighty-six".