2261454126243 has 64 divisors (see below), whose sum is σ = 3416717566080. Its totient is φ = 1320696115200.

The previous prime is 2261454126241. The next prime is 2261454126299. The reversal of 2261454126243 is 3426214541622.

It is not a de Polignac number, because 2261454126243 - 2¹ = 2261454126241 is a prime.

It is a super-2 number, since 2×2261454126243² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2261454126195 and 2261454126204.

It is not an unprimeable number, because it can be changed into a prime (2261454126241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 102164605 + ... + 102186737.

It is an arithmetic number, because the mean of its divisors is an integer number (53386211970).

Almost surely, 2^{2261454126243} is an apocalyptic number.

2261454126243 is a deficient number, since it is larger than the sum of its proper divisors (1155263439837).

2261454126243 is a wasteful number, since it uses less digits than its factorization.

2261454126243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23720.

The product of its digits is 552960, while the sum is 42.

Adding to 2261454126243 its reverse (3426214541622), we get a palindrome (5687668667865).

The spelling of 2261454126243 in words is "two trillion, two hundred sixty-one billion, four hundred fifty-four million, one hundred twenty-six thousand, two hundred forty-three".