215000106513 has 32 divisors (see below), whose sum is σ = 304435355904. Its totient is φ = 134500073472.

The previous prime is 215000106509. The next prime is 215000106527. The reversal of 215000106513 is 315601000512.

It is not a de Polignac number, because 215000106513 - 2² = 215000106509 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215000106593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26097631 + ... + 26105867.

It is an arithmetic number, because the mean of its divisors is an integer number (9513604872).

Almost surely, 2^215000106513 is an apocalyptic number.

It is an amenable number.

215000106513 is a deficient number, since it is larger than the sum of its proper divisors (89435249391).

215000106513 is a wasteful number, since it uses less digits than its factorization.

215000106513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9721.

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 215000106513 in words is "two hundred fifteen billion, one hundred six thousand, five hundred thirteen".