2215663414455 has 8 divisors (see below), whose sum is σ = 3545061463152. Its totient is φ = 1181687154368.

The previous prime is 2215663414453. The next prime is 2215663414463. The reversal of 2215663414455 is 5544143665122.

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 2215663414455 - 2¹ = 2215663414453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215663414453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73855447134 + ... + 73855447163.

It is an arithmetic number, because the mean of its divisors is an integer number (443132682894).

Almost surely, 2^{2215663414455} is an apocalyptic number.

2215663414455 is a deficient number, since it is larger than the sum of its proper divisors (1329398048697).

2215663414455 is a wasteful number, since it uses less digits than its factorization.

2215663414455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147710894305.

The product of its digits is 3456000, while the sum is 48.

The spelling of 2215663414455 in words is "two trillion, two hundred fifteen billion, six hundred sixty-three million, four hundred fourteen thousand, four hundred fifty-five".