1234344115513 has 2 divisors, whose sum is σ = 1234344115514. Its totient is φ = 1234344115512.

The previous prime is 1234344115507. The next prime is 1234344115519. The reversal of 1234344115513 is 3155114434321.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1234344115507) and next prime (1234344115519).

It can be written as a sum of positive squares in only one way, i.e., 930746421504 + 303597694009 = 964752^2 + 550997^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1234344115513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1234344115519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617172057756 + 617172057757.

It is an arithmetic number, because the mean of its divisors is an integer number (617172057757).

Almost surely, 2^{1234344115513} is an apocalyptic number.

It is an amenable number.

1234344115513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234344115513 is an equidigital number, since it uses as much as digits as its factorization.

1234344115513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 37.

Adding to 1234344115513 its reverse (3155114434321), we get a palindrome (4389458549834).

The spelling of 1234344115513 in words is "one trillion, two hundred thirty-four billion, three hundred forty-four million, one hundred fifteen thousand, five hundred thirteen".