11875542 has 48 divisors (see below), whose sum is σ = 28541952. Its totient is φ = 3281040.

The previous prime is 11875519. The next prime is 11875553. The reversal of 11875542 is 24557811.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 8463 + ... + 9765.

It is an arithmetic number, because the mean of its divisors is an integer number (594624).

Almost surely, 2^11875542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11875542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14270976).

11875542 is an abundant number, since it is smaller than the sum of its proper divisors (16666410).

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

11875542 is a wasteful number, since it uses less digits than its factorization.

11875542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1346 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 11875542 is about 3446.0908287507. The cubic root of 11875542 is about 228.1486027246.

The spelling of 11875542 in words is "eleven million, eight hundred seventy-five thousand, five hundred forty-two".