42851460811 has 2 divisors, whose sum is σ = 42851460812. Its totient is φ = 42851460810.

The previous prime is 42851460809. The next prime is 42851460851. The reversal of 42851460811 is 11806415824.

It is an a-pointer prime, because the next prime (42851460851) can be obtained adding 42851460811 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42851460811 - 2¹ = 42851460809 is a prime.

Together with 42851460809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42851460851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21425730405 + 21425730406.

It is an arithmetic number, because the mean of its divisors is an integer number (21425730406).

Almost surely, 2^42851460811 is an apocalyptic number.

42851460811 is a deficient number, since it is larger than the sum of its proper divisors (1).

42851460811 is an equidigital number, since it uses as much as digits as its factorization.

42851460811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61440, while the sum is 40.

The spelling of 42851460811 in words is "forty-two billion, eight hundred fifty-one million, four hundred sixty thousand, eight hundred eleven".