42252415515 has 12 divisors (see below), whose sum is σ = 73237520304. Its totient is φ = 22534621584.

The previous prime is 42252415507. The next prime is 42252415531. The reversal of 42252415515 is 51551425224.

42252415515 is a `hidden beast` number, since 4 + 225 + 2 + 415 + 5 + 15 = 666.

42252415515 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 42252415515 - 2³ = 42252415507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42252415515.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469471239 + ... + 469471328.

It is an arithmetic number, because the mean of its divisors is an integer number (6103126692).

Almost surely, 2^42252415515 is an apocalyptic number.

42252415515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42252415515 is a deficient number, since it is larger than the sum of its proper divisors (30985104789).

42252415515 is a wasteful number, since it uses less digits than its factorization.

42252415515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938942578 (or 938942575 counting only the distinct ones).

The product of its digits is 80000, while the sum is 36.

The spelling of 42252415515 in words is "forty-two billion, two hundred fifty-two million, four hundred fifteen thousand, five hundred fifteen".