42051175791 has 4 divisors (see below), whose sum is σ = 56068234392. Its totient is φ = 28034117192.

The previous prime is 42051175711. The next prime is 42051175813. The reversal of 42051175791 is 19757115024.

42051175791 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42051175791 - 2²¹ = 42049078639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42051175711) 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, 7008529296 + ... + 7008529301.

It is an arithmetic number, because the mean of its divisors is an integer number (14017058598).

Almost surely, 2^42051175791 is an apocalyptic number.

42051175791 is a deficient number, since it is larger than the sum of its proper divisors (14017058601).

42051175791 is a wasteful number, since it uses less digits than its factorization.

42051175791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017058600.

The product of its (nonzero) digits is 88200, while the sum is 42.

The spelling of 42051175791 in words is "forty-two billion, fifty-one million, one hundred seventy-five thousand, seven hundred ninety-one".