11650551606 has 48 divisors (see below), whose sum is σ = 26351619840. Its totient is φ = 3713083440.

The previous prime is 11650551593. The next prime is 11650551607. The reversal of 11650551606 is 60615505611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11650551607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1316665 + ... + 1325483.

It is an arithmetic number, because the mean of its divisors is an integer number (548992080).

Almost surely, 2^11650551606 is an apocalyptic number.

11650551606 is an abundant number, since it is smaller than the sum of its proper divisors (14701068234).

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

11650551606 is a wasteful number, since it uses less digits than its factorization.

11650551606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12041 (or 12038 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 11650551606 in words is "eleven billion, six hundred fifty million, five hundred fifty-one thousand, six hundred six".