10915121174689 has 2 divisors, whose sum is σ = 10915121174690. Its totient is φ = 10915121174688.

The previous prime is 10915121174623. The next prime is 10915121174693. The reversal of 10915121174689 is 98647112151901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9706913510464 + 1208207664225 = 3115592^2 + 1099185^2 .

It is a cyclic number.

It is not a de Polignac number, because 10915121174689 - 2²⁷ = 10914986956961 is a prime.

It is not a weakly prime, because it can be changed into another prime (10915121175689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5457560587344 + 5457560587345.

It is an arithmetic number, because the mean of its divisors is an integer number (5457560587345).

Almost surely, 2^{10915121174689} is an apocalyptic number.

It is an amenable number.

10915121174689 is a deficient number, since it is larger than the sum of its proper divisors (1).

10915121174689 is an equidigital number, since it uses as much as digits as its factorization.

10915121174689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 55.

The spelling of 10915121174689 in words is "ten trillion, nine hundred fifteen billion, one hundred twenty-one million, one hundred seventy-four thousand, six hundred eighty-nine".