11550142 has 16 divisors (see below), whose sum is σ = 17948160. Its totient is φ = 5570208.

The previous prime is 11550137. The next prime is 11550169. The reversal of 11550142 is 24105511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8784 + ... + 10012.

It is an arithmetic number, because the mean of its divisors is an integer number (1121760).

Almost surely, 2^11550142 is an apocalyptic number.

11550142 is a deficient number, since it is larger than the sum of its proper divisors (6398018).

11550142 is a wasteful number, since it uses less digits than its factorization.

11550142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 11550142 is about 3398.5499849200. The cubic root of 11550142 is about 226.0454525231.

Adding to 11550142 its reverse (24105511), we get a palindrome (35655653).

The spelling of 11550142 in words is "eleven million, five hundred fifty thousand, one hundred forty-two".