42277857505125 has 64 divisors (see below), whose sum is σ = 78193876849920. Its totient is φ = 20111593632000.

The previous prime is 42277857505087. The next prime is 42277857505127. The reversal of 42277857505125 is 52150575877224.

It is not a de Polignac number, because 42277857505125 - 2²² = 42277853310821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42277857505127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96471730 + ... + 96908979.

It is an arithmetic number, because the mean of its divisors is an integer number (1221779325780).

Almost surely, 2^{42277857505125} is an apocalyptic number.

It is an amenable number.

42277857505125 is a deficient number, since it is larger than the sum of its proper divisors (35916019344795).

42277857505125 is a wasteful number, since it uses less digits than its factorization.

42277857505125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193380791 (or 193380781 counting only the distinct ones).

The product of its (nonzero) digits is 54880000, while the sum is 60.

The spelling of 42277857505125 in words is "forty-two trillion, two hundred seventy-seven billion, eight hundred fifty-seven million, five hundred five thousand, one hundred twenty-five".