2511454054243 has 4 divisors (see below), whose sum is σ = 2512399278600. Its totient is φ = 2510508829888.

The previous prime is 2511454054211. The next prime is 2511454054261. The reversal of 2511454054243 is 3424504541152.

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

It is a cyclic number.

It is not a de Polignac number, because 2511454054243 - 2⁵ = 2511454054211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2511454054196 and 2511454054205.

It is not an unprimeable number, because it can be changed into a prime (2511454054273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472608193 + ... + 472613506.

It is an arithmetic number, because the mean of its divisors is an integer number (628099819650).

Almost surely, 2^{2511454054243} is an apocalyptic number.

2511454054243 is a deficient number, since it is larger than the sum of its proper divisors (945224357).

2511454054243 is an equidigital number, since it uses as much as digits as its factorization.

2511454054243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945224356.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 2511454054243 its reverse (3424504541152), we get a palindrome (5935958595395).

The spelling of 2511454054243 in words is "two trillion, five hundred eleven billion, four hundred fifty-four million, fifty-four thousand, two hundred forty-three".