215330223032461 has 24 divisors (see below), whose sum is σ = 225245684825280. Its totient is φ = 205834278234816.

The previous prime is 215330223032459. The next prime is 215330223032471. The reversal of 215330223032461 is 164230322033512.

215330223032461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 215330223032461 - 2¹ = 215330223032459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 215330223032461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215330223032471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7606946070 + ... + 7606974376.

It is an arithmetic number, because the mean of its divisors is an integer number (9385236867720).

Almost surely, 2^{215330223032461} is an apocalyptic number.

It is an amenable number.

215330223032461 is a deficient number, since it is larger than the sum of its proper divisors (9915461792819).

215330223032461 is a wasteful number, since it uses less digits than its factorization.

215330223032461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37185 (or 37162 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 215330223032461 its reverse (164230322033512), we get a palindrome (379560545065973).

The spelling of 215330223032461 in words is "two hundred fifteen trillion, three hundred thirty billion, two hundred twenty-three million, thirty-two thousand, four hundred sixty-one".