42541425101 has 6 divisors (see below), whose sum is σ = 49486963950. Its totient is φ = 36464078616.

The previous prime is 42541425089. The next prime is 42541425103. The reversal of 42541425101 is 10152414524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40882818025 + 1658607076 = 202195^2 + 40726^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42541425101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541425103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 434096126 + ... + 434096223.

It is an arithmetic number, because the mean of its divisors is an integer number (8247827325).

Almost surely, 2^42541425101 is an apocalyptic number.

It is an amenable number.

42541425101 is a deficient number, since it is larger than the sum of its proper divisors (6945538849).

42541425101 is an equidigital number, since it uses as much as digits as its factorization.

42541425101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868192363 (or 868192356 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 42541425101 its reverse (10152414524), we get a palindrome (52693839625).

The spelling of 42541425101 in words is "forty-two billion, five hundred forty-one million, four hundred twenty-five thousand, one hundred one".