7109424778901 has 2 divisors, whose sum is σ = 7109424778902. Its totient is φ = 7109424778900.

The previous prime is 7109424778879. The next prime is 7109424778913. The reversal of 7109424778901 is 1098774249017.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6733687654225 + 375737124676 = 2594935^2 + 612974^2 .

It is a cyclic number.

It is not a de Polignac number, because 7109424778901 - 2¹⁰ = 7109424777877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7109424778961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3554712389450 + 3554712389451.

It is an arithmetic number, because the mean of its divisors is an integer number (3554712389451).

Almost surely, 2^{7109424778901} is an apocalyptic number.

It is an amenable number.

7109424778901 is a deficient number, since it is larger than the sum of its proper divisors (1).

7109424778901 is an equidigital number, since it uses as much as digits as its factorization.

7109424778901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7112448, while the sum is 59.

The spelling of 7109424778901 in words is "seven trillion, one hundred nine billion, four hundred twenty-four million, seven hundred seventy-eight thousand, nine hundred one".