42752521129 has 16 divisors (see below), whose sum is σ = 45382032000. Its totient is φ = 40161916800.

The previous prime is 42752521109. The next prime is 42752521153. The reversal of 42752521129 is 92112525724.

It is a cyclic number.

It is not a de Polignac number, because 42752521129 - 2¹¹ = 42752519081 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42752521091 and 42752521100.

It is not an unprimeable number, because it can be changed into a prime (42752521109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1619367 + ... + 1645555.

It is an arithmetic number, because the mean of its divisors is an integer number (2836377000).

Almost surely, 2^42752521129 is an apocalyptic number.

It is an amenable number.

42752521129 is a deficient number, since it is larger than the sum of its proper divisors (2629510871).

42752521129 is a wasteful number, since it uses less digits than its factorization.

42752521129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26928.

The product of its digits is 100800, while the sum is 40.

The spelling of 42752521129 in words is "forty-two billion, seven hundred fifty-two million, five hundred twenty-one thousand, one hundred twenty-nine".