42155725541 has 8 divisors (see below), whose sum is σ = 42925209600. Its totient is φ = 41392138320.

The previous prime is 42155725531. The next prime is 42155725553. The reversal of 42155725541 is 14552755124.

42155725541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42155725541 - 2¹⁴ = 42155709157 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 (42155725531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1459781 + ... + 1488378.

It is an arithmetic number, because the mean of its divisors is an integer number (5365651200).

Almost surely, 2^42155725541 is an apocalyptic number.

It is an amenable number.

42155725541 is a deficient number, since it is larger than the sum of its proper divisors (769484059).

42155725541 is a wasteful number, since it uses less digits than its factorization.

42155725541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2948419.

The product of its digits is 280000, while the sum is 41.

The spelling of 42155725541 in words is "forty-two billion, one hundred fifty-five million, seven hundred twenty-five thousand, five hundred forty-one".