42522161125 has 16 divisors (see below), whose sum is σ = 53563633344. Its totient is φ = 33699795600.

The previous prime is 42522161069. The next prime is 42522161153. The reversal of 42522161125 is 52116122524.

It is not a de Polignac number, because 42522161125 - 2¹¹ = 42522159077 is a prime.

It is a super-2 number, since 2×42522161125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1576239 + ... + 1602988.

It is an arithmetic number, because the mean of its divisors is an integer number (3347727084).

Almost surely, 2^42522161125 is an apocalyptic number.

It is an amenable number.

42522161125 is a deficient number, since it is larger than the sum of its proper divisors (11041472219).

42522161125 is a wasteful number, since it uses less digits than its factorization.

42522161125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3179349 (or 3179339 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

Adding to 42522161125 its reverse (52116122524), we get a palindrome (94638283649).

The spelling of 42522161125 in words is "forty-two billion, five hundred twenty-two million, one hundred sixty-one thousand, one hundred twenty-five".