40125311 has 8 divisors (see below), whose sum is σ = 40666080. Its totient is φ = 39587328.

The previous prime is 40125307. The next prime is 40125313. The reversal of 40125311 is 11352104.

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

It is a cyclic number.

It is not a de Polignac number, because 40125311 - 2² = 40125307 is a prime.

It is a super-2 number, since 2×40125311² = 3220081165693442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40125311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40125313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54830 + ... + 55556.

It is an arithmetic number, because the mean of its divisors is an integer number (5083260).

Almost surely, 2^40125311 is an apocalyptic number.

40125311 is a deficient number, since it is larger than the sum of its proper divisors (540769).

40125311 is an equidigital number, since it uses as much as digits as its factorization.

40125311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 40125311 is about 6334.4542779943. The cubic root of 40125311 is about 342.3519483721.

Adding to 40125311 its reverse (11352104), we get a palindrome (51477415).

The spelling of 40125311 in words is "forty million, one hundred twenty-five thousand, three hundred eleven".