40951111 has 2 divisors, whose sum is σ = 40951112. Its totient is φ = 40951110.

The previous prime is 40951073. The next prime is 40951117. The reversal of 40951111 is 11115904.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40951111 - 2⁷ = 40950983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40951117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20475555 + 20475556.

It is an arithmetic number, because the mean of its divisors is an integer number (20475556).

Almost surely, 2^40951111 is an apocalyptic number.

40951111 is a deficient number, since it is larger than the sum of its proper divisors (1).

40951111 is an equidigital number, since it uses as much as digits as its factorization.

40951111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 40951111 is about 6399.3055091939. The cubic root of 40951111 is about 344.6846127027.

The spelling of 40951111 in words is "forty million, nine hundred fifty-one thousand, one hundred eleven".