42511010043 has 4 divisors (see below), whose sum is σ = 56681346728. Its totient is φ = 28340673360.

The previous prime is 42511009979. The next prime is 42511010053. The reversal of 42511010043 is 34001011524.

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

It is not a de Polignac number, because 42511010043 - 2⁶ = 42511009979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42511010053) 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, 7085168338 + ... + 7085168343.

It is an arithmetic number, because the mean of its divisors is an integer number (14170336682).

Almost surely, 2^42511010043 is an apocalyptic number.

42511010043 is a deficient number, since it is larger than the sum of its proper divisors (14170336685).

42511010043 is a wasteful number, since it uses less digits than its factorization.

42511010043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14170336684.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 42511010043 its reverse (34001011524), we get a palindrome (76512021567).

The spelling of 42511010043 in words is "forty-two billion, five hundred eleven million, ten thousand, forty-three".