215344651454513 has 16 divisors (see below), whose sum is σ = 254064210677760. Its totient is φ = 178614901515600.

The previous prime is 215344651454431. The next prime is 215344651454539. The reversal of 215344651454513 is 315454156443512.

It is a cyclic number.

It is not a de Polignac number, because 215344651454513 - 2²⁸ = 215344383019057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215344651454113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30089843 + ... + 36552536.

It is an arithmetic number, because the mean of its divisors is an integer number (15879013167360).

Almost surely, 2^{215344651454513} is an apocalyptic number.

It is an amenable number.

215344651454513 is a deficient number, since it is larger than the sum of its proper divisors (38719559223247).

215344651454513 is a wasteful number, since it uses less digits than its factorization.

215344651454513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66657308.

The product of its digits is 17280000, while the sum is 53.

The spelling of 215344651454513 in words is "two hundred fifteen trillion, three hundred forty-four billion, six hundred fifty-one million, four hundred fifty-four thousand, five hundred thirteen".