42050331511 has 2 divisors, whose sum is σ = 42050331512. Its totient is φ = 42050331510.

The previous prime is 42050331469. The next prime is 42050331523. The reversal of 42050331511 is 11513305024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42050331511 - 2¹⁵ = 42050298743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42050331311) 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, 21025165755 + 21025165756.

It is an arithmetic number, because the mean of its divisors is an integer number (21025165756).

Almost surely, 2^42050331511 is an apocalyptic number.

42050331511 is a deficient number, since it is larger than the sum of its proper divisors (1).

42050331511 is an equidigital number, since it uses as much as digits as its factorization.

42050331511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 42050331511 its reverse (11513305024), we get a palindrome (53563636535).

The spelling of 42050331511 in words is "forty-two billion, fifty million, three hundred thirty-one thousand, five hundred eleven".