42041113221345 has 16 divisors (see below), whose sum is σ = 76875178462080. Its totient is φ = 19218794615424.

The previous prime is 42041113221307. The next prime is 42041113221361. The reversal of 42041113221345 is 54312231114024.

It is not a de Polignac number, because 42041113221345 - 2¹² = 42041113217249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200195777140 + ... + 200195777349.

It is an arithmetic number, because the mean of its divisors is an integer number (4804698653880).

Almost surely, 2^{42041113221345} is an apocalyptic number.

It is an amenable number.

42041113221345 is a deficient number, since it is larger than the sum of its proper divisors (34834065240735).

42041113221345 is a wasteful number, since it uses less digits than its factorization.

42041113221345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400391554504.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 42041113221345 its reverse (54312231114024), we get a palindrome (96353344335369).

The spelling of 42041113221345 in words is "forty-two trillion, forty-one billion, one hundred thirteen million, two hundred twenty-one thousand, three hundred forty-five".