11611960 has 32 divisors (see below), whose sum is σ = 26560800. Its totient is φ = 4567680.

The previous prime is 11611939. The next prime is 11611981. The reversal of 11611960 is 6911611.

11611960 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11611939) and next prime (11611981).

It is a congruent number.

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, 61 + ... + 4819.

It is an arithmetic number, because the mean of its divisors is an integer number (830025).

Almost surely, 2^11611960 is an apocalyptic number.

11611960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11611960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13280400).

11611960 is an abundant number, since it is smaller than the sum of its proper divisors (14948840).

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

11611960 is a wasteful number, since it uses less digits than its factorization.

11611960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 11611960 is about 3407.6326093052. The cubic root of 11611960 is about 226.4480109777.

The spelling of 11611960 in words is "eleven million, six hundred eleven thousand, nine hundred sixty".