117325985298021 has 6 divisors (see below), whose sum is σ = 169470867652710. Its totient is φ = 78217323532008.

The previous prime is 117325985298019. The next prime is 117325985298047. The reversal of 117325985298021 is 120892589523711.

117325985298021 is a `hidden beast` number, since 1 + 1 + 7 + 3 + 2 + 5 + 9 + 8 + 529 + 80 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68371978500225 + 48954006797796 = 8268735^2 + 6996714^2 .

It is not a de Polignac number, because 117325985298021 - 2¹ = 117325985298019 is a prime.

It is a super-3 number, since 3×117325985298021³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 117325985298021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117325985298121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6518110294326 + ... + 6518110294343.

It is an arithmetic number, because the mean of its divisors is an integer number (28245144608785).

Almost surely, 2^{117325985298021} is an apocalyptic number.

It is an amenable number.

117325985298021 is a deficient number, since it is larger than the sum of its proper divisors (52144882354689).

117325985298021 is a wasteful number, since it uses less digits than its factorization.

117325985298021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13036220588675 (or 13036220588672 counting only the distinct ones).

The product of its (nonzero) digits is 21772800, while the sum is 63.

The spelling of 117325985298021 in words is "one hundred seventeen trillion, three hundred twenty-five billion, nine hundred eighty-five million, two hundred ninety-eight thousand, twenty-one".