11038861 has 2 divisors, whose sum is σ = 11038862. Its totient is φ = 11038860.

The previous prime is 11038847. The next prime is 11038877. The reversal of 11038861 is 16883011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10201636 + 837225 = 3194^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 11038861 - 2⁷ = 11038733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11038801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5519430 + 5519431.

It is an arithmetic number, because the mean of its divisors is an integer number (5519431).

Almost surely, 2^11038861 is an apocalyptic number.

It is an amenable number.

11038861 is a deficient number, since it is larger than the sum of its proper divisors (1).

11038861 is an equidigital number, since it uses as much as digits as its factorization.

11038861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 11038861 is about 3322.4781413878. The cubic root of 11038861 is about 222.6595984924.

The spelling of 11038861 in words is "eleven million, thirty-eight thousand, eight hundred sixty-one".