116066025521 has 2 divisors, whose sum is σ = 116066025522. Its totient is φ = 116066025520.

The previous prime is 116066025487. The next prime is 116066025637. The reversal of 116066025521 is 125520660611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 108563001121 + 7503024400 = 329489^2 + 86620^2 .

It is a cyclic number.

It is not a de Polignac number, because 116066025521 - 2³⁴ = 98886156337 is a prime.

It is not a weakly prime, because it can be changed into another prime (116066025121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58033012760 + 58033012761.

It is an arithmetic number, because the mean of its divisors is an integer number (58033012761).

Almost surely, 2^116066025521 is an apocalyptic number.

It is an amenable number.

116066025521 is a deficient number, since it is larger than the sum of its proper divisors (1).

116066025521 is an equidigital number, since it uses as much as digits as its factorization.

116066025521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 116066025521 in words is "one hundred sixteen billion, sixty-six million, twenty-five thousand, five hundred twenty-one".