215130234105 has 24 divisors (see below), whose sum is σ = 376736665032. Its totient is φ = 113553275904.

The previous prime is 215130234091. The next prime is 215130234181. The reversal of 215130234105 is 501432031512.

215130234105 is a `hidden beast` number, since 2 + 15 + 1 + 302 + 341 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 57486296169 + 157643937936 = 239763^2 + 397044^2 .

It is not a de Polignac number, because 215130234105 - 2⁸ = 215130233849 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24638274 + ... + 24647003.

It is an arithmetic number, because the mean of its divisors is an integer number (15697361043).

Almost surely, 2^215130234105 is an apocalyptic number.

It is an amenable number.

215130234105 is a deficient number, since it is larger than the sum of its proper divisors (161606430927).

215130234105 is a wasteful number, since it uses less digits than its factorization.

215130234105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49285385 (or 49285382 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 215130234105 its reverse (501432031512), we get a palindrome (716562265617).

The spelling of 215130234105 in words is "two hundred fifteen billion, one hundred thirty million, two hundred thirty-four thousand, one hundred five".