42346441212561 has 48 divisors (see below), whose sum is σ = 64515625200000. Its totient is φ = 26691463782144.

The previous prime is 42346441212557. The next prime is 42346441212631. The reversal of 42346441212561 is 16521214464324.

42346441212561 is a `hidden beast` number, since 4 + 2 + 3 + 4 + 64 + 4 + 1 + 21 + 2 + 561 = 666.

It is not a de Polignac number, because 42346441212561 - 2² = 42346441212557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42346441212961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 476095285 + ... + 476184221.

It is an arithmetic number, because the mean of its divisors is an integer number (1344075525000).

Almost surely, 2^{42346441212561} is an apocalyptic number.

It is an amenable number.

42346441212561 is a deficient number, since it is larger than the sum of its proper divisors (22169183987439).

42346441212561 is a wasteful number, since it uses less digits than its factorization.

42346441212561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94518 (or 94515 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

Adding to 42346441212561 its reverse (16521214464324), we get a palindrome (58867655676885).

The spelling of 42346441212561 in words is "forty-two trillion, three hundred forty-six billion, four hundred forty-one million, two hundred twelve thousand, five hundred sixty-one".