2215201655503 has 16 divisors (see below), whose sum is σ = 2267135114400. Its totient is φ = 2163665387520.

The previous prime is 2215201655501. The next prime is 2215201655549. The reversal of 2215201655503 is 3055561025122.

It is a cyclic number.

It is not a de Polignac number, because 2215201655503 - 2¹ = 2215201655501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215201655501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10539343 + ... + 10747471.

It is an arithmetic number, because the mean of its divisors is an integer number (141695944650).

Almost surely, 2^{2215201655503} is an apocalyptic number.

2215201655503 is a deficient number, since it is larger than the sum of its proper divisors (51933458897).

2215201655503 is a wasteful number, since it uses less digits than its factorization.

2215201655503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209082.

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 2215201655503 in words is "two trillion, two hundred fifteen billion, two hundred one million, six hundred fifty-five thousand, five hundred three".