7766417013541 has 2 divisors, whose sum is σ = 7766417013542. Its totient is φ = 7766417013540.

The previous prime is 7766417013491. The next prime is 7766417013547. The reversal of 7766417013541 is 1453107146677.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4171111828900 + 3595305184641 = 2042330^2 + 1896129^2 .

It is a cyclic number.

It is not a de Polignac number, because 7766417013541 - 2¹³ = 7766417005349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7766417013547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3883208506770 + 3883208506771.

It is an arithmetic number, because the mean of its divisors is an integer number (3883208506771).

Almost surely, 2^{7766417013541} is an apocalyptic number.

It is an amenable number.

7766417013541 is a deficient number, since it is larger than the sum of its proper divisors (1).

7766417013541 is an equidigital number, since it uses as much as digits as its factorization.

7766417013541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 7766417013541 in words is "seven trillion, seven hundred sixty-six billion, four hundred seventeen million, thirteen thousand, five hundred forty-one".