42113315401161 has 4 divisors (see below), whose sum is σ = 56151087201552. Its totient is φ = 28075543600772.

The previous prime is 42113315401067. The next prime is 42113315401181. The reversal of 42113315401161 is 16110451331124.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42113315401161 - 2¹⁰ = 42113315400137 is a prime.

It is a super-3 number, since 3×42113315401161³ (a number of 42 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42113315401181) 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, 7018885900191 + ... + 7018885900196.

It is an arithmetic number, because the mean of its divisors is an integer number (14037771800388).

Almost surely, 2^{42113315401161} is an apocalyptic number.

It is an amenable number.

42113315401161 is a deficient number, since it is larger than the sum of its proper divisors (14037771800391).

42113315401161 is a wasteful number, since it uses less digits than its factorization.

42113315401161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14037771800390.

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 42113315401161 its reverse (16110451331124), we get a palindrome (58223766732285).

The spelling of 42113315401161 in words is "forty-two trillion, one hundred thirteen billion, three hundred fifteen million, four hundred one thousand, one hundred sixty-one".