42515521103 has 12 divisors (see below), whose sum is σ = 46941526464. Its totient is φ = 38477128800.

The previous prime is 42515521063. The next prime is 42515521109. The reversal of 42515521103 is 30112551524.

It is not a de Polignac number, because 42515521103 - 2⁶ = 42515521039 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 760838 + ... + 814803.

It is an arithmetic number, because the mean of its divisors is an integer number (3911793872).

Almost surely, 2^42515521103 is an apocalyptic number.

42515521103 is a deficient number, since it is larger than the sum of its proper divisors (4426005361).

42515521103 is a wasteful number, since it uses less digits than its factorization.

42515521103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1575886 (or 1575875 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 42515521103 in words is "forty-two billion, five hundred fifteen million, five hundred twenty-one thousand, one hundred three".