117726471133489 has 3 divisors (see below), whose sum is σ = 117726481983673. Its totient is φ = 117726460283306.

The previous prime is 117726471133459. The next prime is 117726471133493. The reversal of 117726471133489 is 984331174627711.

It is a happy number.

The square root of 117726471133489 is 10850183.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 117726471133489 - 2⁵ = 117726471133457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117726471133489.

It is not an unprimeable number, because it can be changed into a prime (117726471133429) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5425092 + ... + 16275274.

Almost surely, 2^{117726471133489} is an apocalyptic number.

117726471133489 is the 10850183-rd square number.

117726471133489 is the 5425092-nd centered octagonal number.

It is an amenable number.

117726471133489 is a deficient number, since it is larger than the sum of its proper divisors (10850184).

117726471133489 is an frugal number, since it uses more digits than its factorization.

117726471133489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700366 (or 10850183 counting only the distinct ones).

The product of its digits is 42674688, while the sum is 64.

The spelling of 117726471133489 in words is "one hundred seventeen trillion, seven hundred twenty-six billion, four hundred seventy-one million, one hundred thirty-three thousand, four hundred eighty-nine".