42052526251 has 2 divisors, whose sum is σ = 42052526252. Its totient is φ = 42052526250.

The previous prime is 42052526227. The next prime is 42052526309. The reversal of 42052526251 is 15262525024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42052526251 - 2¹¹ = 42052524203 is a prime.

It is not a weakly prime, because it can be changed into another prime (42055526251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21026263125 + 21026263126.

It is an arithmetic number, because the mean of its divisors is an integer number (21026263126).

Almost surely, 2^42052526251 is an apocalyptic number.

42052526251 is a deficient number, since it is larger than the sum of its proper divisors (1).

42052526251 is an equidigital number, since it uses as much as digits as its factorization.

42052526251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 42052526251 in words is "forty-two billion, fifty-two million, five hundred twenty-six thousand, two hundred fifty-one".