42515521102 has 16 divisors (see below), whose sum is σ = 68338205712. Its totient is φ = 19766250880.

The previous prime is 42515521063. The next prime is 42515521109. The reversal of 42515521102 is 20112551524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42515521109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7530049 + ... + 7535692.

It is an arithmetic number, because the mean of its divisors is an integer number (4271137857).

Almost surely, 2^42515521102 is an apocalyptic number.

42515521102 is a deficient number, since it is larger than the sum of its proper divisors (25822684610).

42515521102 is a wasteful number, since it uses less digits than its factorization.

42515521102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15065843.

The product of its (nonzero) digits is 4000, while the sum is 28.

The spelling of 42515521102 in words is "forty-two billion, five hundred fifteen million, five hundred twenty-one thousand, one hundred two".