11525778 has 24 divisors (see below), whose sum is σ = 27243216. Its totient is φ = 3492600.

The previous prime is 11525771. The next prime is 11525791. The reversal of 11525778 is 87752511.

It is not an unprimeable number, because it can be changed into a prime (11525771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28908 + ... + 29303.

It is an arithmetic number, because the mean of its divisors is an integer number (1135134).

Almost surely, 2^11525778 is an apocalyptic number.

11525778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11525778 is an abundant number, since it is smaller than the sum of its proper divisors (15717438).

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

11525778 is a wasteful number, since it uses less digits than its factorization.

11525778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58230 (or 58227 counting only the distinct ones).

The product of its digits is 19600, while the sum is 36.

The square root of 11525778 is about 3394.9636227801. The cubic root of 11525778 is about 225.8863996910.

The spelling of 11525778 in words is "eleven million, five hundred twenty-five thousand, seven hundred seventy-eight".