40111507 has 2 divisors, whose sum is σ = 40111508. Its totient is φ = 40111506.

The previous prime is 40111501. The next prime is 40111531. The reversal of 40111507 is 70511104.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40111507 is a prime.

It is a super-2 number, since 2×40111507² = 3217865987622098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40111501) 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 as a sum of consecutive naturals, namely, 20055753 + 20055754.

It is an arithmetic number, because the mean of its divisors is an integer number (20055754).

Almost surely, 2^40111507 is an apocalyptic number.

40111507 is a deficient number, since it is larger than the sum of its proper divisors (1).

40111507 is an equidigital number, since it uses as much as digits as its factorization.

40111507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 40111507 is about 6333.3645876422. The cubic root of 40111507 is about 342.3126849728.

The spelling of 40111507 in words is "forty million, one hundred eleven thousand, five hundred seven".