11444126513 has 2 divisors, whose sum is σ = 11444126514. Its totient is φ = 11444126512.

The previous prime is 11444126461. The next prime is 11444126527. The reversal of 11444126513 is 31562144411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6145305664 + 5298820849 = 78392^2 + 72793^2 .

It is a cyclic number.

It is not a de Polignac number, because 11444126513 - 2¹⁰ = 11444125489 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11444126513.

It is not a weakly prime, because it can be changed into another prime (11444126543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5722063256 + 5722063257.

It is an arithmetic number, because the mean of its divisors is an integer number (5722063257).

Almost surely, 2^11444126513 is an apocalyptic number.

It is an amenable number.

11444126513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11444126513 is an equidigital number, since it uses as much as digits as its factorization.

11444126513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

The spelling of 11444126513 in words is "eleven billion, four hundred forty-four million, one hundred twenty-six thousand, five hundred thirteen".