42511253412 has 24 divisors (see below), whose sum is σ = 99209166336. Its totient is φ = 14168097568.

The previous prime is 42511253359. The next prime is 42511253417. The reversal of 42511253412 is 21435211524.

It is a self number, because there is not a number n which added to its sum of digits gives 42511253412.

It is not an unprimeable number, because it can be changed into a prime (42511253417) 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, 212868 + ... + 361019.

It is an arithmetic number, because the mean of its divisors is an integer number (4133715264).

Almost surely, 2^42511253412 is an apocalyptic number.

It is an amenable number.

42511253412 is an abundant number, since it is smaller than the sum of its proper divisors (56697912924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42511253412 is a wasteful number, since it uses less digits than its factorization.

42511253412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580067 (or 580065 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

Adding to 42511253412 its reverse (21435211524), we get a palindrome (63946464936).

The spelling of 42511253412 in words is "forty-two billion, five hundred eleven million, two hundred fifty-three thousand, four hundred twelve".