42524311243 has 16 divisors (see below), whose sum is σ = 43894190592. Its totient is φ = 41171328000.

The previous prime is 42524311237. The next prime is 42524311279. The reversal of 42524311243 is 34211342524.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42524311243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42524311223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3384553 + ... + 3397093.

It is an arithmetic number, because the mean of its divisors is an integer number (2743386912).

Almost surely, 2^42524311243 is an apocalyptic number.

42524311243 is a deficient number, since it is larger than the sum of its proper divisors (1369879349).

42524311243 is a wasteful number, since it uses less digits than its factorization.

42524311243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13206.

The product of its digits is 23040, while the sum is 31.

Adding to 42524311243 its reverse (34211342524), we get a palindrome (76735653767).

The spelling of 42524311243 in words is "forty-two billion, five hundred twenty-four million, three hundred eleven thousand, two hundred forty-three".