11161960 has 32 divisors (see below), whose sum is σ = 25275240. Its totient is φ = 4436224.

The previous prime is 11161939. The next prime is 11161961. The reversal of 11161960 is 6916111.

It can be written as a sum of positive squares in 4 ways, for example, as 10876804 + 285156 = 3298^2 + 534^2 .

It is not an unprimeable number, because it can be changed into a prime (11161961) 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, 6114 + ... + 7726.

Almost surely, 2^11161960 is an apocalyptic number.

11161960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11161960 is an abundant number, since it is smaller than the sum of its proper divisors (14113280).

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

11161960 is a wasteful number, since it uses less digits than its factorization.

11161960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797 (or 1793 counting only the distinct ones).

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

The square root of 11161960 is about 3340.9519601455. The cubic root of 11161960 is about 223.4841979596.

It can be divided in two parts, 11161 and 960, that added together give a palindrome (12121).

The spelling of 11161960 in words is "eleven million, one hundred sixty-one thousand, nine hundred sixty".