42400144302511 has 2 divisors, whose sum is σ = 42400144302512. Its totient is φ = 42400144302510.

The previous prime is 42400144302469. The next prime is 42400144302641. The reversal of 42400144302511 is 11520344100424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42400144302511 - 2²³ = 42400135913903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42400144303511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200072151255 + 21200072151256.

It is an arithmetic number, because the mean of its divisors is an integer number (21200072151256).

Almost surely, 2^{42400144302511} is an apocalyptic number.

42400144302511 is a deficient number, since it is larger than the sum of its proper divisors (1).

42400144302511 is an equidigital number, since it uses as much as digits as its factorization.

42400144302511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 42400144302511 its reverse (11520344100424), we get a palindrome (53920488402935).

The spelling of 42400144302511 in words is "forty-two trillion, four hundred billion, one hundred forty-four million, three hundred two thousand, five hundred eleven".