11361861 has 12 divisors (see below), whose sum is σ = 18756192. Its totient is φ = 6492456.

The previous prime is 11361853. The next prime is 11361869. The reversal of 11361861 is 16816311.

It is an interprime number because it is at equal distance from previous prime (11361853) and next prime (11361869).

It is not a de Polignac number, because 11361861 - 2³ = 11361853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11361869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90111 + ... + 90236.

It is an arithmetic number, because the mean of its divisors is an integer number (1563016).

Almost surely, 2^11361861 is an apocalyptic number.

It is an amenable number.

11361861 is a deficient number, since it is larger than the sum of its proper divisors (7394331).

11361861 is a wasteful number, since it uses less digits than its factorization.

11361861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180360 (or 180357 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 11361861 is about 3370.7359730480. The cubic root of 11361861 is about 224.8104477631.

The spelling of 11361861 in words is "eleven million, three hundred sixty-one thousand, eight hundred sixty-one".