2111445455 has 8 divisors (see below), whose sum is σ = 2895696672. Its totient is φ = 1447848288.

The previous prime is 2111445443. The next prime is 2111445461. The reversal of 2111445455 is 5545441112.

It is a happy number.

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 2111445455 - 2⁸ = 2111445199 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 7 ways as a sum of consecutive naturals, for example, 30163472 + ... + 30163541.

It is an arithmetic number, because the mean of its divisors is an integer number (361962084).

Almost surely, 2^2111445455 is an apocalyptic number.

2111445455 is a deficient number, since it is larger than the sum of its proper divisors (784251217).

2111445455 is an equidigital number, since it uses as much as digits as its factorization.

2111445455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60327025.

The product of its digits is 16000, while the sum is 32.

The square root of 2111445455 is about 45950.4674078513. The cubic root of 2111445455 is about 1282.9014291052.

Adding to 2111445455 its reverse (5545441112), we get a palindrome (7656886567).

The spelling of 2111445455 in words is "two billion, one hundred eleven million, four hundred forty-five thousand, four hundred fifty-five".