11161488 has 80 divisors (see below), whose sum is σ = 32109056. Its totient is φ = 3317760.

The previous prime is 11161487. The next prime is 11161489. The reversal of 11161488 is 88416111.

It is an interprime number because it is at equal distance from previous prime (11161487) and next prime (11161489).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (11161487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19056 + ... + 19632.

Almost surely, 2^11161488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11161488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16054528).

11161488 is an abundant number, since it is smaller than the sum of its proper divisors (20947568).

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

11161488 is a wasteful number, since it uses less digits than its factorization.

11161488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632 (or 626 counting only the distinct ones).

The product of its digits is 1536, while the sum is 30.

The square root of 11161488 is about 3340.8813208493. The cubic root of 11161488 is about 223.4810477951.

Adding to 11161488 its reverse (88416111), we get a palindrome (99577599).

The spelling of 11161488 in words is "eleven million, one hundred sixty-one thousand, four hundred eighty-eight".