11130605636 has 12 divisors (see below), whose sum is σ = 20624357628. Its totient is φ = 5237932032.

The previous prime is 11130605621. The next prime is 11130605657. The reversal of 11130605636 is 63650603111.

It can be written as a sum of positive squares in 2 ways, for example, as 5780560900 + 5350044736 = 76030^2 + 73144^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81842621 + ... + 81842756.

It is an arithmetic number, because the mean of its divisors is an integer number (1718696469).

Almost surely, 2^11130605636 is an apocalyptic number.

It is an amenable number.

11130605636 is a deficient number, since it is larger than the sum of its proper divisors (9493751992).

11130605636 is a wasteful number, since it uses less digits than its factorization.

11130605636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163685398 (or 163685396 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 11130605636 in words is "eleven billion, one hundred thirty million, six hundred five thousand, six hundred thirty-six".