117357133377521 has 6 divisors (see below), whose sum is σ = 124666574211030. Its totient is φ = 110453772590336.

The previous prime is 117357133377503. The next prime is 117357133377553. The reversal of 117357133377521 is 125773331753711.

It can be written as a sum of positive squares in 3 ways, for example, as 42814630937521 + 74542502440000 = 6543289^2 + 8633800^2 .

It is not a de Polignac number, because 117357133377521 - 2¹⁴ = 117357133361137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117357133367521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 203040022856 + ... + 203040023433.

It is an arithmetic number, because the mean of its divisors is an integer number (20777762368505).

Almost surely, 2^{117357133377521} is an apocalyptic number.

It is an amenable number.

117357133377521 is a deficient number, since it is larger than the sum of its proper divisors (7309440833509).

117357133377521 is an equidigital number, since it uses as much as digits as its factorization.

117357133377521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406080046323 (or 406080046306 counting only the distinct ones).

The product of its digits is 9724050, while the sum is 56.

The spelling of 117357133377521 in words is "one hundred seventeen trillion, three hundred fifty-seven billion, one hundred thirty-three million, three hundred seventy-seven thousand, five hundred twenty-one".