11961118 has 16 divisors (see below), whose sum is σ = 19380816. Its totient is φ = 5503680.

The previous prime is 11961113. The next prime is 11961119. The reversal of 11961118 is 81116911.

11961118 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11961113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13105 + ... + 13987.

It is an arithmetic number, because the mean of its divisors is an integer number (1211301).

Almost surely, 2^11961118 is an apocalyptic number.

11961118 is a deficient number, since it is larger than the sum of its proper divisors (7419698).

11961118 is a wasteful number, since it uses less digits than its factorization.

11961118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419.

The product of its digits is 432, while the sum is 28.

The square root of 11961118 is about 3458.4849284043. The cubic root of 11961118 is about 228.6953099670.

The spelling of 11961118 in words is "eleven million, nine hundred sixty-one thousand, one hundred eighteen".