11605601236 has 12 divisors (see below), whose sum is σ = 20310655680. Its totient is φ = 5802556760.

The previous prime is 11605601213. The next prime is 11605601237. The reversal of 11605601236 is 63210650611.

It is a junction number, because it is equal to n+sod(n) for n = 11605601198 and 11605601207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11605601237) 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, 84885 + ... + 174403.

It is an arithmetic number, because the mean of its divisors is an integer number (1692554640).

Almost surely, 2^11605601236 is an apocalyptic number.

It is an amenable number.

11605601236 is a deficient number, since it is larger than the sum of its proper divisors (8705054444).

11605601236 is a wasteful number, since it uses less digits than its factorization.

11605601236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121934 (or 121932 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 11605601236 in words is "eleven billion, six hundred five million, six hundred one thousand, two hundred thirty-six".