11611542 has 16 divisors (see below), whose sum is σ = 24024240. Its totient is φ = 3736992.

The previous prime is 11611529. The next prime is 11611543. The reversal of 11611542 is 24511611.

11611542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11611543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33193 + ... + 33540.

It is an arithmetic number, because the mean of its divisors is an integer number (1501515).

Almost surely, 2^11611542 is an apocalyptic number.

11611542 is an abundant number, since it is smaller than the sum of its proper divisors (12412698).

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

11611542 is a wasteful number, since it uses less digits than its factorization.

11611542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66767.

The product of its digits is 240, while the sum is 21.

The square root of 11611542 is about 3407.5712758503. The cubic root of 11611542 is about 226.4452937677.

The spelling of 11611542 in words is "eleven million, six hundred eleven thousand, five hundred forty-two".