42615700515 has 12 divisors (see below), whose sum is σ = 73867214304. Its totient is φ = 22728373584.

The previous prime is 42615700511. The next prime is 42615700549. The reversal of 42615700515 is 51500751624.

It is not a de Polignac number, because 42615700515 - 2² = 42615700511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42615700515.

It is not an unprimeable number, because it can be changed into a prime (42615700511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 473507739 + ... + 473507828.

It is an arithmetic number, because the mean of its divisors is an integer number (6155601192).

Almost surely, 2^42615700515 is an apocalyptic number.

42615700515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42615700515 is a deficient number, since it is larger than the sum of its proper divisors (31251513789).

42615700515 is a wasteful number, since it uses less digits than its factorization.

42615700515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 947015578 (or 947015575 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 42615700515 in words is "forty-two billion, six hundred fifteen million, seven hundred thousand, five hundred fifteen".