42751011 has 8 divisors (see below), whose sum is σ = 57145104. Its totient is φ = 28428800.

The previous prime is 42751003. The next prime is 42751013. The reversal of 42751011 is 11015724.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42751011 - 2³ = 42751003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42751013) 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, 16566 + ... + 18971.

It is an arithmetic number, because the mean of its divisors is an integer number (7143138).

Almost surely, 2^42751011 is an apocalyptic number.

42751011 is a deficient number, since it is larger than the sum of its proper divisors (14394093).

42751011 is a wasteful number, since it uses less digits than its factorization.

42751011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35941.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 42751011 is about 6538.4257279562. The cubic root of 42751011 is about 349.6622892177.

Adding to 42751011 its reverse (11015724), we get a palindrome (53766735).

The spelling of 42751011 in words is "forty-two million, seven hundred fifty-one thousand, eleven".