42620501153605 has 16 divisors (see below), whose sum is σ = 51202381863024. Its totient is φ = 34057885155840.

The previous prime is 42620501153471. The next prime is 42620501153623. The reversal of 42620501153605 is 50635110502624.

It can be written as a sum of positive squares in 8 ways, for example, as 4542925639396 + 38077575514209 = 2131414^2 + 6170703^2 .

It is not a de Polignac number, because 42620501153605 - 2⁴⁵ = 7436129064773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76993915 + ... + 77545495.

It is an arithmetic number, because the mean of its divisors is an integer number (3200148866439).

Almost surely, 2^{42620501153605} is an apocalyptic number.

It is an amenable number.

42620501153605 is a deficient number, since it is larger than the sum of its proper divisors (8581880709419).

42620501153605 is a wasteful number, since it uses less digits than its factorization.

42620501153605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569016.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 42620501153605 in words is "forty-two trillion, six hundred twenty billion, five hundred one million, one hundred fifty-three thousand, six hundred five".