117901254489 has 4 divisors (see below), whose sum is σ = 157201672656. Its totient is φ = 78600836324.

The previous prime is 117901254469. The next prime is 117901254509. The reversal of 117901254489 is 984452109711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (117901254469) and next prime (117901254509).

It is a cyclic number.

It is not a de Polignac number, because 117901254489 - 2³⁶ = 49181777753 is a prime.

It is a super-2 number, since 2×117901254489² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117901254469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19650209079 + ... + 19650209084.

It is an arithmetic number, because the mean of its divisors is an integer number (39300418164).

Almost surely, 2^117901254489 is an apocalyptic number.

It is an amenable number.

117901254489 is a deficient number, since it is larger than the sum of its proper divisors (39300418167).

117901254489 is an equidigital number, since it uses as much as digits as its factorization.

117901254489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39300418166.

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 117901254489 in words is "one hundred seventeen billion, nine hundred one million, two hundred fifty-four thousand, four hundred eighty-nine".