75726252511513 has 2 divisors, whose sum is σ = 75726252511514. Its totient is φ = 75726252511512.

The previous prime is 75726252511499. The next prime is 75726252511541. The reversal of 75726252511513 is 31511525262757.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42782417843929 + 32943834667584 = 6540827^2 + 5739672^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75726252511513 is a prime.

It is not a weakly prime, because it can be changed into another prime (75726252518513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37863126255756 + 37863126255757.

It is an arithmetic number, because the mean of its divisors is an integer number (37863126255757).

Almost surely, 2^{75726252511513} is an apocalyptic number.

It is an amenable number.

75726252511513 is a deficient number, since it is larger than the sum of its proper divisors (1).

75726252511513 is an equidigital number, since it uses as much as digits as its factorization.

75726252511513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4410000, while the sum is 52.

The spelling of 75726252511513 in words is "seventy-five trillion, seven hundred twenty-six billion, two hundred fifty-two million, five hundred eleven thousand, five hundred thirteen".