11601066100 has 36 divisors (see below), whose sum is σ = 27110802124. Its totient is φ = 4283470080.

The previous prime is 11601066089. The next prime is 11601066107. The reversal of 11601066100 is 166010611.

It can be written as a sum of positive squares in 6 ways, for example, as 1199513956 + 10401552144 = 34634^2 + 101988^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601066107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4460649 + ... + 4463248.

Almost surely, 2^11601066100 is an apocalyptic number.

11601066100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11601066100 is an abundant number, since it is smaller than the sum of its proper divisors (15509736024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11601066100 is a wasteful number, since it uses less digits than its factorization.

11601066100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923924 (or 8923917 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 11601066100 its reverse (166010611), we get a palindrome (11767076711).

The spelling of 11601066100 in words is "eleven billion, six hundred one million, sixty-six thousand, one hundred".