215153143513 has 48 divisors (see below), whose sum is σ = 273248172288. Its totient is φ = 165811852800.

The previous prime is 215153143487. The next prime is 215153143519. The reversal of 215153143513 is 315341351512.

It is not a de Polignac number, because 215153143513 - 2⁵ = 215153143481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215153143519) 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, 125015493 + ... + 125017213.

It is an arithmetic number, because the mean of its divisors is an integer number (5692670256).

Almost surely, 2^215153143513 is an apocalyptic number.

It is an amenable number.

215153143513 is a deficient number, since it is larger than the sum of its proper divisors (58095028775).

215153143513 is a wasteful number, since it uses less digits than its factorization.

215153143513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3286 (or 3275 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The spelling of 215153143513 in words is "two hundred fifteen billion, one hundred fifty-three million, one hundred forty-three thousand, five hundred thirteen".