11671542 has 24 divisors (see below), whose sum is σ = 25369344. Its totient is φ = 3878064.

The previous prime is 11671523. The next prime is 11671547. The reversal of 11671542 is 24517611.

It is a happy number.

11671542 is a `hidden beast` number, since 116 + 7 + 1 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11671547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6048 + ... + 7740.

It is an arithmetic number, because the mean of its divisors is an integer number (1057056).

Almost surely, 2^11671542 is an apocalyptic number.

11671542 is an abundant number, since it is smaller than the sum of its proper divisors (13697802).

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

11671542 is a wasteful number, since it uses less digits than its factorization.

11671542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084 (or 2081 counting only the distinct ones).

The product of its digits is 1680, while the sum is 27.

The square root of 11671542 is about 3416.3638565001. The cubic root of 11671542 is about 226.8346587198.

The spelling of 11671542 in words is "eleven million, six hundred seventy-one thousand, five hundred forty-two".