42855219511 has 16 divisors (see below), whose sum is σ = 49265072640. Its totient is φ = 36948774240.

The previous prime is 42855219509. The next prime is 42855219523. The reversal of 42855219511 is 11591255824.

It is a cyclic number.

It is not a de Polignac number, because 42855219511 - 2¹ = 42855219509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42855219571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1204315 + ... + 1239388.

It is an arithmetic number, because the mean of its divisors is an integer number (3079067040).

Almost surely, 2^42855219511 is an apocalyptic number.

42855219511 is a deficient number, since it is larger than the sum of its proper divisors (6409853129).

42855219511 is a wasteful number, since it uses less digits than its factorization.

42855219511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443806.

The product of its digits is 144000, while the sum is 43.

The spelling of 42855219511 in words is "forty-two billion, eight hundred fifty-five million, two hundred nineteen thousand, five hundred eleven".