42425543155120 has 40 divisors (see below), whose sum is σ = 100738098224064. Its totient is φ = 16609148808192.

The previous prime is 42425543155117. The next prime is 42425543155129. The reversal of 42425543155120 is 2155134552424.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (42425543155129) 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, 5641690809 + ... + 5641698328.

Almost surely, 2^{42425543155120} is an apocalyptic number.

42425543155120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42425543155120 is an abundant number, since it is smaller than the sum of its proper divisors (58312555068944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42425543155120 is a wasteful number, since it uses less digits than its factorization.

42425543155120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11283389197 (or 11283389191 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 42425543155120 in words is "forty-two trillion, four hundred twenty-five billion, five hundred forty-three million, one hundred fifty-five thousand, one hundred twenty".