42513554122 has 16 divisors (see below), whose sum is σ = 68685877512. Its totient is φ = 19618744320.

The previous prime is 42513554119. The next prime is 42513554137. The reversal of 42513554122 is 22145531524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28645901001 + 13867653121 = 169251^2 + 117761^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64222 + ... + 298582.

Almost surely, 2^42513554122 is an apocalyptic number.

42513554122 is a deficient number, since it is larger than the sum of its proper divisors (26172323390).

42513554122 is a wasteful number, since it uses less digits than its factorization.

42513554122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241353.

The product of its digits is 48000, while the sum is 34.

The spelling of 42513554122 in words is "forty-two billion, five hundred thirteen million, five hundred fifty-four thousand, one hundred twenty-two".