11199542 has 4 divisors (see below), whose sum is σ = 16799316. Its totient is φ = 5599770.

The previous prime is 11199541. The next prime is 11199547. The reversal of 11199542 is 24599111.

11199542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24599111 = 241 ⋅102071.

It is a junction number, because it is equal to n+sod(n) for n = 11199499 and 11199508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11199541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799884 + ... + 2799887.

It is an arithmetic number, because the mean of its divisors is an integer number (4199829).

Almost surely, 2^11199542 is an apocalyptic number.

11199542 is a deficient number, since it is larger than the sum of its proper divisors (5599774).

11199542 is an equidigital number, since it uses as much as digits as its factorization.

11199542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5599773.

The product of its digits is 3240, while the sum is 32.

The square root of 11199542 is about 3346.5716785989. The cubic root of 11199542 is about 223.7347386156.

The spelling of 11199542 in words is "eleven million, one hundred ninety-nine thousand, five hundred forty-two".