40825111 has 4 divisors (see below), whose sum is σ = 40880224. Its totient is φ = 40770000.

The previous prime is 40825087. The next prime is 40825117. The reversal of 40825111 is 11152804.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40825111 - 2⁷ = 40824983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40825117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26430 + ... + 27931.

It is an arithmetic number, because the mean of its divisors is an integer number (10220056).

Almost surely, 2^40825111 is an apocalyptic number.

40825111 is a deficient number, since it is larger than the sum of its proper divisors (55113).

40825111 is an equidigital number, since it uses as much as digits as its factorization.

40825111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55112.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 40825111 is about 6389.4531064873. The cubic root of 40825111 is about 344.3307364253.

Adding to 40825111 its reverse (11152804), we get a palindrome (51977915).

The spelling of 40825111 in words is "forty million, eight hundred twenty-five thousand, one hundred eleven".