42571306911 has 16 divisors (see below), whose sum is σ = 64956965888. Its totient is φ = 24294060000.

The previous prime is 42571306903. The next prime is 42571306913. The reversal of 42571306911 is 11960317524.

It is not a de Polignac number, because 42571306911 - 2³ = 42571306903 is a prime.

It is a super-2 number, since 2×42571306911² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42571306911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42571306913) 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, 1333900 + ... + 1365441.

It is an arithmetic number, because the mean of its divisors is an integer number (4059810368).

Almost surely, 2^42571306911 is an apocalyptic number.

42571306911 is a deficient number, since it is larger than the sum of its proper divisors (22385658977).

42571306911 is a wasteful number, since it uses less digits than its factorization.

42571306911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2700102.

The product of its (nonzero) digits is 45360, while the sum is 39.

The spelling of 42571306911 in words is "forty-two billion, five hundred seventy-one million, three hundred six thousand, nine hundred eleven".