525769116091 has 2 divisors, whose sum is σ = 525769116092. Its totient is φ = 525769116090.

The previous prime is 525769116017. The next prime is 525769116137. The reversal of 525769116091 is 190611967525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525769116091 - 2⁹ = 525769115579 is a prime.

It is a super-2 number, since 2×525769116091² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525769116011) 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, 262884558045 + 262884558046.

It is an arithmetic number, because the mean of its divisors is an integer number (262884558046).

Almost surely, 2^525769116091 is an apocalyptic number.

525769116091 is a deficient number, since it is larger than the sum of its proper divisors (1).

525769116091 is an equidigital number, since it uses as much as digits as its factorization.

525769116091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The spelling of 525769116091 in words is "five hundred twenty-five billion, seven hundred sixty-nine million, one hundred sixteen thousand, ninety-one".