2126441155 has 4 divisors (see below), whose sum is σ = 2551729392. Its totient is φ = 1701152920.

The previous prime is 2126441089. The next prime is 2126441201. The reversal of 2126441155 is 5511446212.

It is a happy number.

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

It is not a de Polignac number, because 2126441155 - 2⁷ = 2126441027 is a prime.

It is a Duffinian 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, 212644111 + ... + 212644120.

It is an arithmetic number, because the mean of its divisors is an integer number (637932348).

Almost surely, 2^2126441155 is an apocalyptic number.

2126441155 is a deficient number, since it is larger than the sum of its proper divisors (425288237).

2126441155 is an equidigital number, since it uses as much as digits as its factorization.

2126441155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425288236.

The product of its digits is 9600, while the sum is 31.

The square root of 2126441155 is about 46113.3511577721. The cubic root of 2126441155 is about 1285.9313661473.

Adding to 2126441155 its reverse (5511446212), we get a palindrome (7637887367).

The spelling of 2126441155 in words is "two billion, one hundred twenty-six million, four hundred forty-one thousand, one hundred fifty-five".