42543534315 has 32 divisors (see below), whose sum is σ = 71688556800. Its totient is φ = 21484794240.

The previous prime is 42543534311. The next prime is 42543534337. The reversal of 42543534315 is 51343534524.

It is not a de Polignac number, because 42543534315 - 2² = 42543534311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42543534311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 541480 + ... + 615050.

It is an arithmetic number, because the mean of its divisors is an integer number (2240267400).

Almost surely, 2^42543534315 is an apocalyptic number.

42543534315 is a deficient number, since it is larger than the sum of its proper divisors (29145022485).

42543534315 is a wasteful number, since it uses less digits than its factorization.

42543534315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75627.

The product of its digits is 432000, while the sum is 39.

The spelling of 42543534315 in words is "forty-two billion, five hundred forty-three million, five hundred thirty-four thousand, three hundred fifteen".