42855011 has 8 divisors (see below), whose sum is σ = 46941120. Its totient is φ = 38942848.

The previous prime is 42854993. The next prime is 42855017. The reversal of 42855011 is 11055824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42855011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42855017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42971 + ... + 43956.

It is an arithmetic number, because the mean of its divisors is an integer number (5867640).

Almost surely, 2^42855011 is an apocalyptic number.

42855011 is a deficient number, since it is larger than the sum of its proper divisors (4086109).

42855011 is a wasteful number, since it uses less digits than its factorization.

42855011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86973.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 42855011 is about 6546.3738817761. The cubic root of 42855011 is about 349.9455997083.

The spelling of 42855011 in words is "forty-two million, eight hundred fifty-five thousand, eleven".