42872064485911 has 4 divisors (see below), whose sum is σ = 42872079997800. Its totient is φ = 42872048974024.

The previous prime is 42872064485903. The next prime is 42872064485923. The reversal of 42872064485911 is 11958446027824.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42872064485911 - 2³ = 42872064485903 is a prime.

It is a super-2 number, since 2×42872064485911² (a number of 28 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 42872064485911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42872064485011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2357881 + ... + 9555298.

It is an arithmetic number, because the mean of its divisors is an integer number (10718019999450).

Almost surely, 2^{42872064485911} is an apocalyptic number.

42872064485911 is a deficient number, since it is larger than the sum of its proper divisors (15511889).

42872064485911 is a wasteful number, since it uses less digits than its factorization.

42872064485911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15511888.

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 42872064485911 in words is "forty-two trillion, eight hundred seventy-two billion, sixty-four million, four hundred eighty-five thousand, nine hundred eleven".