42012111338495 has 4 divisors (see below), whose sum is σ = 50414533606200. Its totient is φ = 33609689070792.

The previous prime is 42012111338471. The next prime is 42012111338581. The reversal of 42012111338495 is 59483311121024.

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

It is a cyclic number.

It is not a de Polignac number, because 42012111338495 - 2¹² = 42012111334399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201211133845 + ... + 4201211133854.

It is an arithmetic number, because the mean of its divisors is an integer number (12603633401550).

Almost surely, 2^{42012111338495} is an apocalyptic number.

42012111338495 is a deficient number, since it is larger than the sum of its proper divisors (8402422267705).

42012111338495 is an equidigital number, since it uses as much as digits as its factorization.

42012111338495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402422267704.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 42012111338495 in words is "forty-two trillion, twelve billion, one hundred eleven million, three hundred thirty-eight thousand, four hundred ninety-five".