215034541245 has 12 divisors (see below), whose sum is σ = 372726538236. Its totient is φ = 114685088640.

The previous prime is 215034541229. The next prime is 215034541259. The reversal of 215034541245 is 542145430512.

215034541245 is a `hidden beast` number, since 2 + 150 + 3 + 454 + 12 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 150983536356 + 64051004889 = 388566^2 + 253083^2 .

It is not a de Polignac number, because 215034541245 - 2⁴ = 215034541229 is a prime.

It is a congruent number.

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, 2389272636 + ... + 2389272725.

It is an arithmetic number, because the mean of its divisors is an integer number (31060544853).

Almost surely, 2^215034541245 is an apocalyptic number.

It is an amenable number.

215034541245 is a deficient number, since it is larger than the sum of its proper divisors (157691996991).

215034541245 is a wasteful number, since it uses less digits than its factorization.

215034541245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778545372 (or 4778545369 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 215034541245 its reverse (542145430512), we get a palindrome (757179971757).

The spelling of 215034541245 in words is "two hundred fifteen billion, thirty-four million, five hundred forty-one thousand, two hundred forty-five".