42400541111 has 2 divisors, whose sum is σ = 42400541112. Its totient is φ = 42400541110.

The previous prime is 42400541087. The next prime is 42400541149. The reversal of 42400541111 is 11114500424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42400541111 - 2⁶ = 42400541047 is a prime.

It is a super-2 number, since 2×42400541111² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42400541611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200270555 + 21200270556.

It is an arithmetic number, because the mean of its divisors is an integer number (21200270556).

Almost surely, 2^42400541111 is an apocalyptic number.

42400541111 is a deficient number, since it is larger than the sum of its proper divisors (1).

42400541111 is an equidigital number, since it uses as much as digits as its factorization.

42400541111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 640, while the sum is 23.

The spelling of 42400541111 in words is "forty-two billion, four hundred million, five hundred forty-one thousand, one hundred eleven".