40911151 has 2 divisors, whose sum is σ = 40911152. Its totient is φ = 40911150.

The previous prime is 40911149. The next prime is 40911179. The reversal of 40911151 is 15111904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40911151 - 2¹ = 40911149 is a prime.

It is a super-2 number, since 2×40911151² = 3347444552289602, which contains 22 as substring.

Together with 40911149, it forms a pair of twin primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40911121) 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, 20455575 + 20455576.

It is an arithmetic number, because the mean of its divisors is an integer number (20455576).

Almost surely, 2^40911151 is an apocalyptic number.

40911151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40911151 is an equidigital number, since it uses as much as digits as its factorization.

40911151 is an odious number, because the sum of its binary digits is odd.

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

The square root of 40911151 is about 6396.1825333553. The cubic root of 40911151 is about 344.5724620650.

The spelling of 40911151 in words is "forty million, nine hundred eleven thousand, one hundred fifty-one".