42011403251 has 2 divisors, whose sum is σ = 42011403252. Its totient is φ = 42011403250.

The previous prime is 42011403209. The next prime is 42011403337. The reversal of 42011403251 is 15230411024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42011403251 - 2²⁶ = 41944294387 is a prime.

It is not a weakly prime, because it can be changed into another prime (42011403851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21005701625 + 21005701626.

It is an arithmetic number, because the mean of its divisors is an integer number (21005701626).

Almost surely, 2^42011403251 is an apocalyptic number.

42011403251 is a deficient number, since it is larger than the sum of its proper divisors (1).

42011403251 is an equidigital number, since it uses as much as digits as its factorization.

42011403251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 42011403251 its reverse (15230411024), we get a palindrome (57241814275).

The spelling of 42011403251 in words is "forty-two billion, eleven million, four hundred three thousand, two hundred fifty-one".