117521505328499 has 2 divisors, whose sum is σ = 117521505328500. Its totient is φ = 117521505328498.

The previous prime is 117521505328459. The next prime is 117521505328517. The reversal of 117521505328499 is 994823505125711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117521505328499 is a prime.

It is a super-2 number, since 2×117521505328499² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117521505328429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58760752664249 + 58760752664250.

It is an arithmetic number, because the mean of its divisors is an integer number (58760752664250).

Almost surely, 2^{117521505328499} is an apocalyptic number.

117521505328499 is a deficient number, since it is larger than the sum of its proper divisors (1).

117521505328499 is an equidigital number, since it uses as much as digits as its factorization.

117521505328499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 62.

The spelling of 117521505328499 in words is "one hundred seventeen trillion, five hundred twenty-one billion, five hundred five million, three hundred twenty-eight thousand, four hundred ninety-nine".