42554145125 has 16 divisors (see below), whose sum is σ = 53433412032. Its totient is φ = 33834445200.

The previous prime is 42554145113. The next prime is 42554145167. The reversal of 42554145125 is 52154145524.

It is not a de Polignac number, because 42554145125 - 2¹⁴ = 42554128741 is a prime.

It is a super-2 number, since 2×42554145125² (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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1023899 + ... + 1064648.

It is an arithmetic number, because the mean of its divisors is an integer number (3339588252).

Almost surely, 2^42554145125 is an apocalyptic number.

It is an amenable number.

42554145125 is a deficient number, since it is larger than the sum of its proper divisors (10879266907).

42554145125 is a wasteful number, since it uses less digits than its factorization.

42554145125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2088725 (or 2088715 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

The spelling of 42554145125 in words is "forty-two billion, five hundred fifty-four million, one hundred forty-five thousand, one hundred twenty-five".