42051514389291 has 48 divisors (see below), whose sum is σ = 66832648253280. Its totient is φ = 25477363507200.

The previous prime is 42051514389281. The next prime is 42051514389293. The reversal of 42051514389291 is 19298341515024.

42051514389291 is a `hidden beast` number, since 4 + 2 + 0 + 5 + 1 + 514 + 38 + 9 + 2 + 91 = 666.

It is not a de Polignac number, because 42051514389291 - 2¹⁰ = 42051514388267 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42051514389293) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35850955 + ... + 37005323.

It is an arithmetic number, because the mean of its divisors is an integer number (1392346838610).

Almost surely, 2^{42051514389291} is an apocalyptic number.

42051514389291 is a deficient number, since it is larger than the sum of its proper divisors (24781133863989).

42051514389291 is a wasteful number, since it uses less digits than its factorization.

42051514389291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157449 (or 1157424 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 42051514389291 in words is "forty-two trillion, fifty-one billion, five hundred fourteen million, three hundred eighty-nine thousand, two hundred ninety-one".