10985542 has 4 divisors (see below), whose sum is σ = 16478316. Its totient is φ = 5492770.

The previous prime is 10985539. The next prime is 10985549. The reversal of 10985542 is 24558901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24558901 = 2441 ⋅10061.

It is a junction number, because it is equal to n+sod(n) for n = 10985498 and 10985507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10985549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2746384 + ... + 2746387.

It is an arithmetic number, because the mean of its divisors is an integer number (4119579).

Almost surely, 2^10985542 is an apocalyptic number.

10985542 is a deficient number, since it is larger than the sum of its proper divisors (5492774).

10985542 is an equidigital number, since it uses as much as digits as its factorization.

10985542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5492773.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 10985542 is about 3314.4444481693. Note that the first 5 decimals coincide. The cubic root of 10985542 is about 222.3005290511.

The spelling of 10985542 in words is "ten million, nine hundred eighty-five thousand, five hundred forty-two".