42165560513 has 32 divisors (see below), whose sum is σ = 47656304640. Its totient is φ = 37071371520.

The previous prime is 42165560477. The next prime is 42165560519. The reversal of 42165560513 is 31506556124.

It is a cyclic number.

It is not a de Polignac number, because 42165560513 - 2²² = 42161366209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42165560519) 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, 7704368 + ... + 7709838.

It is an arithmetic number, because the mean of its divisors is an integer number (1489259520).

Almost surely, 2^42165560513 is an apocalyptic number.

It is an amenable number.

42165560513 is a deficient number, since it is larger than the sum of its proper divisors (5490744127).

42165560513 is a wasteful number, since it uses less digits than its factorization.

42165560513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5837.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 42165560513 in words is "forty-two billion, one hundred sixty-five million, five hundred sixty thousand, five hundred thirteen".