42343555252105 has 4 divisors (see below), whose sum is σ = 50812266302532. Its totient is φ = 33874844201680.

The previous prime is 42343555252099. The next prime is 42343555252123. The reversal of 42343555252105 is 50125255534324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26531647188544 + 15811908063561 = 5150888^2 + 3976419^2 .

It is not a de Polignac number, because 42343555252105 - 2¹⁷ = 42343555121033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4234355525206 + ... + 4234355525215.

It is an arithmetic number, because the mean of its divisors is an integer number (12703066575633).

Almost surely, 2^{42343555252105} is an apocalyptic number.

It is an amenable number.

42343555252105 is a deficient number, since it is larger than the sum of its proper divisors (8468711050427).

42343555252105 is an equidigital number, since it uses as much as digits as its factorization.

42343555252105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8468711050426.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 42343555252105 in words is "forty-two trillion, three hundred forty-three billion, five hundred fifty-five million, two hundred fifty-two thousand, one hundred five".