42551550315 has 32 divisors (see below), whose sum is σ = 78936215040. Its totient is φ = 21707455968.

The previous prime is 42551550311. The next prime is 42551550317. The reversal of 42551550315 is 51305515524.

42551550315 is a `hidden beast` number, since 4 + 25 + 51 + 550 + 31 + 5 = 666.

It is not a de Polignac number, because 42551550315 - 2² = 42551550311 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42551550315.

It is not an unprimeable number, because it can be changed into a prime (42551550311) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6848997 + ... + 6855206.

It is an arithmetic number, because the mean of its divisors is an integer number (2466756720).

Almost surely, 2^42551550315 is an apocalyptic number.

42551550315 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42551550315 is a deficient number, since it is larger than the sum of its proper divisors (36384664725).

42551550315 is a wasteful number, since it uses less digits than its factorization.

42551550315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13704240 (or 13704234 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 42551550315 in words is "forty-two billion, five hundred fifty-one million, five hundred fifty thousand, three hundred fifteen".