42345125052553 has 8 divisors (see below), whose sum is σ = 42400620963008. Its totient is φ = 42289658581104.

The previous prime is 42345125052539. The next prime is 42345125052557. The reversal of 42345125052553 is 35525052154324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42345125052553 is a prime.

It is a super-2 number, since 2×42345125052553² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42345125052557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4480326 + ... + 10235407.

It is an arithmetic number, because the mean of its divisors is an integer number (5300077620376).

Almost surely, 2^{42345125052553} is an apocalyptic number.

It is an amenable number.

42345125052553 is a deficient number, since it is larger than the sum of its proper divisors (55495910455).

42345125052553 is a wasteful number, since it uses less digits than its factorization.

42345125052553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14719503.

The product of its (nonzero) digits is 3600000, while the sum is 46.

The spelling of 42345125052553 in words is "forty-two trillion, three hundred forty-five billion, one hundred twenty-five million, fifty-two thousand, five hundred fifty-three".