42052345155 has 80 divisors (see below), whose sum is σ = 77565549600. Its totient is φ = 21783375360.

The previous prime is 42052345147. The next prime is 42052345177. The reversal of 42052345155 is 55154325024.

42052345155 is a `hidden beast` number, since 42 + 0 + 523 + 45 + 1 + 55 = 666.

42052345155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42052345155 - 2³ = 42052345147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3797016 + ... + 3808074.

It is an arithmetic number, because the mean of its divisors is an integer number (969569370).

Almost surely, 2^42052345155 is an apocalyptic number.

42052345155 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42052345155 is a deficient number, since it is larger than the sum of its proper divisors (35513204445).

42052345155 is a wasteful number, since it uses less digits than its factorization.

42052345155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11346 (or 11337 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 42052345155 in words is "forty-two billion, fifty-two million, three hundred forty-five thousand, one hundred fifty-five".