42553432553122 has 16 divisors (see below), whose sum is σ = 65640535523640. Its totient is φ = 20674749616128.

The previous prime is 42553432553053. The next prime is 42553432553147. The reversal of 42553432553122 is 22135523435524.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33651032504401 + 8902400048721 = 5800951^2 + 2983689^2 .

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, 373835413 + ... + 373949224.

Almost surely, 2^{42553432553122} is an apocalyptic number.

42553432553122 is a deficient number, since it is larger than the sum of its proper divisors (23087102970518).

42553432553122 is a wasteful number, since it uses less digits than its factorization.

42553432553122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747785445.

The product of its digits is 4320000, while the sum is 46.

Adding to 42553432553122 its reverse (22135523435524), we get a palindrome (64688955988646).

The spelling of 42553432553122 in words is "forty-two trillion, five hundred fifty-three billion, four hundred thirty-two million, five hundred fifty-three thousand, one hundred twenty-two".