215411013213 has 16 divisors (see below), whose sum is σ = 313389043200. Its totient is φ = 130525490480.

The previous prime is 215411013211. The next prime is 215411013229. The reversal of 215411013213 is 312310114512.

It is not a de Polignac number, because 215411013213 - 2¹ = 215411013211 is a prime.

It is a super-2 number, since 2×215411013213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215411013211) 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, 501183 + ... + 825836.

It is an arithmetic number, because the mean of its divisors is an integer number (19586815200).

Almost surely, 2^215411013213 is an apocalyptic number.

It is an amenable number.

215411013213 is a deficient number, since it is larger than the sum of its proper divisors (97978029987).

215411013213 is a wasteful number, since it uses less digits than its factorization.

215411013213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331952.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 215411013213 its reverse (312310114512), we get a palindrome (527721127725).

The spelling of 215411013213 in words is "two hundred fifteen billion, four hundred eleven million, thirteen thousand, two hundred thirteen".