213440201515 has 8 divisors (see below), whose sum is σ = 263050626960. Its totient is φ = 166137237792.

The previous prime is 213440201509. The next prime is 213440201591. The reversal of 213440201515 is 515102044312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-213440201515 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576865225 + ... + 576865594.

It is an arithmetic number, because the mean of its divisors is an integer number (32881328370).

Almost surely, 2^213440201515 is an apocalyptic number.

213440201515 is a deficient number, since it is larger than the sum of its proper divisors (49610425445).

213440201515 is a wasteful number, since it uses less digits than its factorization.

213440201515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153730861.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 213440201515 its reverse (515102044312), we get a palindrome (728542245827).

The spelling of 213440201515 in words is "two hundred thirteen billion, four hundred forty million, two hundred one thousand, five hundred fifteen".