213112906615 has 8 divisors (see below), whose sum is σ = 292269129120. Its totient is φ = 146134564512.

The previous prime is 213112906607. The next prime is 213112906631. The reversal of 213112906615 is 516609211312.

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

It is a cyclic number.

It is not a de Polignac number, because 213112906615 - 2³ = 213112906607 is a prime.

It is a super-2 number, since 2×213112906615² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 3044470060 + ... + 3044470129.

It is an arithmetic number, because the mean of its divisors is an integer number (36533641140).

Almost surely, 2^213112906615 is an apocalyptic number.

213112906615 is a deficient number, since it is larger than the sum of its proper divisors (79156222505).

213112906615 is an equidigital number, since it uses as much as digits as its factorization.

213112906615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6088940201.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 213112906615 in words is "two hundred thirteen billion, one hundred twelve million, nine hundred six thousand, six hundred fifteen".