42015210087585 has 128 divisors (see below), whose sum is σ = 81700170854400. Its totient is φ = 18009707443200.

The previous prime is 42015210087577. The next prime is 42015210087589. The reversal of 42015210087585 is 58578001251024.

It is not a de Polignac number, because 42015210087585 - 2³ = 42015210087577 is a prime.

It is a super-2 number, since 2×42015210087585² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42015210087589) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 611905986 + ... + 611974644.

It is an arithmetic number, because the mean of its divisors is an integer number (638282584800).

Almost surely, 2^{42015210087585} is an apocalyptic number.

It is an amenable number.

42015210087585 is a deficient number, since it is larger than the sum of its proper divisors (39684960766815).

42015210087585 is a wasteful number, since it uses less digits than its factorization.

42015210087585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71831.

The product of its (nonzero) digits is 896000, while the sum is 48.

The spelling of 42015210087585 in words is "forty-two trillion, fifteen billion, two hundred ten million, eighty-seven thousand, five hundred eighty-five".