117533204546021 has 24 divisors (see below), whose sum is σ = 131397222931800. Its totient is φ = 105037126318080.

The previous prime is 117533204545993. The next prime is 117533204546027. The reversal of 117533204546021 is 120645402335711.

It can be written as a sum of positive squares in 4 ways, for example, as 3049389062500 + 114483815483521 = 1746250^2 + 10699711^2 .

It is not a de Polignac number, because 117533204546021 - 2¹⁰ = 117533204544997 is a prime.

It is a super-2 number, since 2×117533204546021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117533204546027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31854896 + ... + 35352521.

It is an arithmetic number, because the mean of its divisors is an integer number (5474884288825).

Almost surely, 2^{117533204546021} is an apocalyptic number.

117533204546021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

117533204546021 is a deficient number, since it is larger than the sum of its proper divisors (13864018385779).

117533204546021 is a wasteful number, since it uses less digits than its factorization.

117533204546021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67207685 (or 67207674 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 117533204546021 in words is "one hundred seventeen trillion, five hundred thirty-three billion, two hundred four million, five hundred forty-six thousand, twenty-one".