42112251345441 has 16 divisors (see below), whose sum is σ = 59914570533440. Its totient is φ = 26232866012160.

The previous prime is 42112251345407. The next prime is 42112251345457. The reversal of 42112251345441 is 14454315221124.

It is a happy number.

It is not a de Polignac number, because 42112251345441 - 2¹⁸ = 42112251083297 is a prime.

It is a super-2 number, since 2×42112251345441² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42112251345441.

It is not an unprimeable number, because it can be changed into a prime (42112251345401) 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, 5060348080 + ... + 5060356401.

It is an arithmetic number, because the mean of its divisors is an integer number (3744660658340).

Almost surely, 2^{42112251345441} is an apocalyptic number.

It is an amenable number.

42112251345441 is a deficient number, since it is larger than the sum of its proper divisors (17802319187999).

42112251345441 is a wasteful number, since it uses less digits than its factorization.

42112251345441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120704576.

The product of its digits is 153600, while the sum is 39.

Adding to 42112251345441 its reverse (14454315221124), we get a palindrome (56566566566565).

The spelling of 42112251345441 in words is "forty-two trillion, one hundred twelve billion, two hundred fifty-one million, three hundred forty-five thousand, four hundred forty-one".