11606555061 has 24 divisors (see below), whose sum is σ = 18685480320. Its totient is φ = 6899250816.

The previous prime is 11606555057. The next prime is 11606555071. The reversal of 11606555061 is 16055560611.

It is not a de Polignac number, because 11606555061 - 2² = 11606555057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11606555011) 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, 1993405 + ... + 1999218.

It is an arithmetic number, because the mean of its divisors is an integer number (778561680).

Almost surely, 2^11606555061 is an apocalyptic number.

It is an amenable number.

11606555061 is a deficient number, since it is larger than the sum of its proper divisors (7078925259).

11606555061 is a wasteful number, since it uses less digits than its factorization.

11606555061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992665 (or 3992662 counting only the distinct ones).

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

The spelling of 11606555061 in words is "eleven billion, six hundred six million, five hundred fifty-five thousand, sixty-one".