11075881 has 2 divisors, whose sum is σ = 11075882. Its totient is φ = 11075880.

The previous prime is 11075873. The next prime is 11075923. The reversal of 11075881 is 18857011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9865881 + 1210000 = 3141^2 + 1100^2 .

It is a cyclic number.

It is not a de Polignac number, because 11075881 - 2³ = 11075873 is a prime.

It is a super-2 number, since 2×11075881² = 245350279852322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11075821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5537940 + 5537941.

It is an arithmetic number, because the mean of its divisors is an integer number (5537941).

Almost surely, 2^11075881 is an apocalyptic number.

It is an amenable number.

11075881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11075881 is an equidigital number, since it uses as much as digits as its factorization.

11075881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2240, while the sum is 31.

The square root of 11075881 is about 3328.0446210951. The cubic root of 11075881 is about 222.9082250198.

The spelling of 11075881 in words is "eleven million, seventy-five thousand, eight hundred eighty-one".