11251906 has 8 divisors (see below), whose sum is σ = 17035920. Its totient is φ = 5573268.

The previous prime is 11251901. The next prime is 11251907. The reversal of 11251906 is 60915211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11251901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26076 + ... + 26503.

It is an arithmetic number, because the mean of its divisors is an integer number (2129490).

Almost surely, 2^11251906 is an apocalyptic number.

11251906 is the 2122-nd centered pentagonal number.

11251906 is a deficient number, since it is larger than the sum of its proper divisors (5784014).

11251906 is a wasteful number, since it uses less digits than its factorization.

11251906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52688.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 11251906 is about 3354.3860839206. The cubic root of 11251906 is about 224.0828907725.

The spelling of 11251906 in words is "eleven million, two hundred fifty-one thousand, nine hundred six".