40205420051107 has 2 divisors, whose sum is σ = 40205420051108. Its totient is φ = 40205420051106.

The previous prime is 40205420051081. The next prime is 40205420051161. The reversal of 40205420051107 is 70115002450204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40205420051107 - 2²³ = 40205411662499 is a prime.

It is not a weakly prime, because it can be changed into another prime (40205420051707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20102710025553 + 20102710025554.

It is an arithmetic number, because the mean of its divisors is an integer number (20102710025554).

Almost surely, 2^{40205420051107} is an apocalyptic number.

40205420051107 is a deficient number, since it is larger than the sum of its proper divisors (1).

40205420051107 is an equidigital number, since it uses as much as digits as its factorization.

40205420051107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 31.

The spelling of 40205420051107 in words is "forty trillion, two hundred five billion, four hundred twenty million, fifty-one thousand, one hundred seven".