117289012251 has 8 divisors (see below), whose sum is σ = 157846895424. Its totient is φ = 77461901960.

The previous prime is 117289012241. The next prime is 117289012301. The reversal of 117289012251 is 152210982711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117289012251 - 2⁷ = 117289012123 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117289012231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182692845 + ... + 182693486.

It is an arithmetic number, because the mean of its divisors is an integer number (19730861928).

Almost surely, 2^117289012251 is an apocalyptic number.

117289012251 is a deficient number, since it is larger than the sum of its proper divisors (40557883173).

117289012251 is a wasteful number, since it uses less digits than its factorization.

117289012251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365386441.

The product of its (nonzero) digits is 20160, while the sum is 39.

Adding to 117289012251 its reverse (152210982711), we get a palindrome (269499994962).

The spelling of 117289012251 in words is "one hundred seventeen billion, two hundred eighty-nine million, twelve thousand, two hundred fifty-one".