11265642 has 40 divisors (see below), whose sum is σ = 25443396. Its totient is φ = 3725568.

The previous prime is 11265629. The next prime is 11265643. The reversal of 11265642 is 24656211.

11265642 is a `hidden beast` number, since 1 + 1 + 2 + 656 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10439361 + 826281 = 3231^2 + 909^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11265643) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 31738 + ... + 32090.

Almost surely, 2^11265642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11265642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12721698).

11265642 is an abundant number, since it is smaller than the sum of its proper divisors (14177754).

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

11265642 is a wasteful number, since it uses less digits than its factorization.

11265642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564 (or 555 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11265642 is about 3356.4329279758. The cubic root of 11265642 is about 224.1740383204.

The spelling of 11265642 in words is "eleven million, two hundred sixty-five thousand, six hundred forty-two".