42025161220975 has 6 divisors (see below), whose sum is σ = 52111199914040. Its totient is φ = 33620128976760.

The previous prime is 42025161220957. The next prime is 42025161221033. The reversal of 42025161220975 is 57902216152024.

It is not a de Polignac number, because 42025161220975 - 2²⁹ = 42024624350063 is a prime.

It is a super-2 number, since 2×42025161220975² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 840503224395 + ... + 840503224444.

Almost surely, 2^{42025161220975} is an apocalyptic number.

42025161220975 is a deficient number, since it is larger than the sum of its proper divisors (10086038693065).

42025161220975 is a wasteful number, since it uses less digits than its factorization.

42025161220975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681006448849 (or 1681006448844 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

Adding to 42025161220975 its reverse (57902216152024), we get a palindrome (99927377372999).

The spelling of 42025161220975 in words is "forty-two trillion, twenty-five billion, one hundred sixty-one million, two hundred twenty thousand, nine hundred seventy-five".