42056295105 has 16 divisors (see below), whose sum is σ = 73407351744. Its totient is φ = 20390930880.

The previous prime is 42056295101. The next prime is 42056295107. The reversal of 42056295105 is 50159265024.

It is not a de Polignac number, because 42056295105 - 2² = 42056295101 is a prime.

It is a super-2 number, since 2×42056295105² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42056295101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127443154 + ... + 127443483.

It is an arithmetic number, because the mean of its divisors is an integer number (4587959484).

Almost surely, 2^42056295105 is an apocalyptic number.

It is an amenable number.

42056295105 is a deficient number, since it is larger than the sum of its proper divisors (31351056639).

42056295105 is a wasteful number, since it uses less digits than its factorization.

42056295105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254886656.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 42056295105 in words is "forty-two billion, fifty-six million, two hundred ninety-five thousand, one hundred five".