215147112487307 has 48 divisors (see below), whose sum is σ = 290700760280832. Its totient is φ = 154620787052160.

The previous prime is 215147112487283. The next prime is 215147112487309. The reversal of 215147112487307 is 703784211741512.

It is not a de Polignac number, because 215147112487307 - 2⁸ = 215147112487051 is a prime.

It is a super-2 number, since 2×215147112487307² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (215147112487309) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8482133 + ... + 22410729.

It is an arithmetic number, because the mean of its divisors is an integer number (6056265839184).

Almost surely, 2^{215147112487307} is an apocalyptic number.

215147112487307 is a deficient number, since it is larger than the sum of its proper divisors (75553647793525).

215147112487307 is a wasteful number, since it uses less digits than its factorization.

215147112487307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13929828 (or 13929815 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 53.

The spelling of 215147112487307 in words is "two hundred fifteen trillion, one hundred forty-seven billion, one hundred twelve million, four hundred eighty-seven thousand, three hundred seven".