42513115012 has 12 divisors (see below), whose sum is σ = 74406941980. Its totient is φ = 21253988736.

The previous prime is 42513115003. The next prime is 42513115013. The reversal of 42513115012 is 21051131524.

It can be written as a sum of positive squares in 2 ways, for example, as 4059473796 + 38453641216 = 63714^2 + 196096^2 .

It is not an unprimeable number, because it can be changed into a prime (42513115013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604713 + ... + 671344.

Almost surely, 2^42513115012 is an apocalyptic number.

It is an amenable number.

42513115012 is a deficient number, since it is larger than the sum of its proper divisors (31893826968).

42513115012 is a wasteful number, since it uses less digits than its factorization.

42513115012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284390 (or 1284388 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 42513115012 its reverse (21051131524), we get a palindrome (63564246536).

The spelling of 42513115012 in words is "forty-two billion, five hundred thirteen million, one hundred fifteen thousand, twelve".