2203651145455 has 4 divisors (see below), whose sum is σ = 2644381374552. Its totient is φ = 1762920916360.

The previous prime is 2203651145431. The next prime is 2203651145461. The reversal of 2203651145455 is 5545411563022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2203651145455 - 2⁹ = 2203651144943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220365114541 + ... + 220365114550.

It is an arithmetic number, because the mean of its divisors is an integer number (661095343638).

Almost surely, 2^{2203651145455} is an apocalyptic number.

2203651145455 is a deficient number, since it is larger than the sum of its proper divisors (440730229097).

2203651145455 is an equidigital number, since it uses as much as digits as its factorization.

2203651145455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440730229096.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 2203651145455 in words is "two trillion, two hundred three billion, six hundred fifty-one million, one hundred forty-five thousand, four hundred fifty-five".