42861546911 has 4 divisors (see below), whose sum is σ = 43188734424. Its totient is φ = 42534359400.

The previous prime is 42861546907. The next prime is 42861546913. The reversal of 42861546911 is 11964516824.

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 42861546911 - 2² = 42861546907 is a prime.

It is a super-2 number, since 2×42861546911² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42861546913) 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, 163593560 + ... + 163593821.

It is an arithmetic number, because the mean of its divisors is an integer number (10797183606).

Almost surely, 2^42861546911 is an apocalyptic number.

42861546911 is a deficient number, since it is larger than the sum of its proper divisors (327187513).

42861546911 is a wasteful number, since it uses less digits than its factorization.

42861546911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327187512.

The product of its digits is 414720, while the sum is 47.

The spelling of 42861546911 in words is "forty-two billion, eight hundred sixty-one million, five hundred forty-six thousand, nine hundred eleven".