11561862 has 16 divisors (see below), whose sum is σ = 24902640. Its totient is φ = 3557472.

The previous prime is 11561843. The next prime is 11561863. The reversal of 11561862 is 26816511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11561863) 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 7 ways as a sum of consecutive naturals, for example, 74037 + ... + 74192.

It is an arithmetic number, because the mean of its divisors is an integer number (1556415).

Almost surely, 2^11561862 is an apocalyptic number.

11561862 is an abundant number, since it is smaller than the sum of its proper divisors (13340778).

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

11561862 is a wasteful number, since it uses less digits than its factorization.

11561862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148247.

The product of its digits is 2880, while the sum is 30.

The square root of 11561862 is about 3400.2738125039. The cubic root of 11561862 is about 226.1218832468.

The spelling of 11561862 in words is "eleven million, five hundred sixty-one thousand, eight hundred sixty-two".