116965005571 has 8 divisors (see below), whose sum is σ = 117058219200. Its totient is φ = 116871828480.

The previous prime is 116965005569. The next prime is 116965005601. The reversal of 116965005571 is 175500569611.

It is a happy number.

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 116965005571 - 2¹ = 116965005569 is a prime.

It is a super-2 number, since 2×116965005571² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116965005511) 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, 11275075 + ... + 11285443.

It is an arithmetic number, because the mean of its divisors is an integer number (14632277400).

Almost surely, 2^116965005571 is an apocalyptic number.

116965005571 is a deficient number, since it is larger than the sum of its proper divisors (93213629).

116965005571 is a wasteful number, since it uses less digits than its factorization.

116965005571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18269.

The product of its (nonzero) digits is 283500, while the sum is 46.

The spelling of 116965005571 in words is "one hundred sixteen billion, nine hundred sixty-five million, five thousand, five hundred seventy-one".