215032345513 has 4 divisors (see below), whose sum is σ = 215042514048. Its totient is φ = 215022176980.

The previous prime is 215032345501. The next prime is 215032345519. The reversal of 215032345513 is 315543230512.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 215032345513 - 2¹³ = 215032337321 is a prime.

It is a super-2 number, since 2×215032345513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215032345519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5052481 + ... + 5094862.

It is an arithmetic number, because the mean of its divisors is an integer number (53760628512).

Almost surely, 2^215032345513 is an apocalyptic number.

It is an amenable number.

215032345513 is a deficient number, since it is larger than the sum of its proper divisors (10168535).

215032345513 is a wasteful number, since it uses less digits than its factorization.

215032345513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10168534.

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 215032345513 in words is "two hundred fifteen billion, thirty-two million, three hundred forty-five thousand, five hundred thirteen".