42585085175545 has 32 divisors (see below), whose sum is σ = 58239442609920. Its totient is φ = 29589838755840.

The previous prime is 42585085175533. The next prime is 42585085175569. The reversal of 42585085175545 is 54557158058524.

It is not a de Polignac number, because 42585085175545 - 2⁷ = 42585085175417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18556560 + ... + 20724769.

It is an arithmetic number, because the mean of its divisors is an integer number (1819982581560).

Almost surely, 2^{42585085175545} is an apocalyptic number.

It is an amenable number.

42585085175545 is a deficient number, since it is larger than the sum of its proper divisors (15654357434375).

42585085175545 is a wasteful number, since it uses less digits than its factorization.

42585085175545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39282225.

The product of its (nonzero) digits is 224000000, while the sum is 64.

The spelling of 42585085175545 in words is "forty-two trillion, five hundred eighty-five billion, eighty-five million, one hundred seventy-five thousand, five hundred forty-five".