40861358311 has 2 divisors, whose sum is σ = 40861358312. Its totient is φ = 40861358310.

The previous prime is 40861358281. The next prime is 40861358339. The reversal of 40861358311 is 11385316804.

It is a happy number.

40861358311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40861358311 - 2¹³ = 40861350119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40861358381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20430679155 + 20430679156.

It is an arithmetic number, because the mean of its divisors is an integer number (20430679156).

Almost surely, 2^40861358311 is an apocalyptic number.

40861358311 is a deficient number, since it is larger than the sum of its proper divisors (1).

40861358311 is an equidigital number, since it uses as much as digits as its factorization.

40861358311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 40861358311 in words is "forty billion, eight hundred sixty-one million, three hundred fifty-eight thousand, three hundred eleven".