40011151 has 2 divisors, whose sum is σ = 40011152. Its totient is φ = 40011150.

The previous prime is 40011137. The next prime is 40011161. The reversal of 40011151 is 15111004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40011151 - 2²¹ = 37913999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40011161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005575 + 20005576.

It is an arithmetic number, because the mean of its divisors is an integer number (20005576).

Almost surely, 2^40011151 is an apocalyptic number.

40011151 is a deficient number, since it is larger than the sum of its proper divisors (1).

40011151 is an equidigital number, since it uses as much as digits as its factorization.

40011151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 40011151 is about 6325.4368228605. The cubic root of 40011151 is about 342.0269662856.

Adding to 40011151 its reverse (15111004), we get a palindrome (55122155).

The spelling of 40011151 in words is "forty million, eleven thousand, one hundred fifty-one".