11611642 has 16 divisors (see below), whose sum is σ = 20771712. Its totient is φ = 4759920.

The previous prime is 11611637. The next prime is 11611669. The reversal of 11611642 is 24611611.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17709 + ... + 18352.

It is an arithmetic number, because the mean of its divisors is an integer number (1298232).

Almost surely, 2^11611642 is an apocalyptic number.

11611642 is a deficient number, since it is larger than the sum of its proper divisors (9160070).

11611642 is a wasteful number, since it uses less digits than its factorization.

11611642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36093.

The product of its digits is 288, while the sum is 22.

The square root of 11611642 is about 3407.5859490261. The cubic root of 11611642 is about 226.4459438238.

The spelling of 11611642 in words is "eleven million, six hundred eleven thousand, six hundred forty-two".