116501156661569 has 4 divisors (see below), whose sum is σ = 116512392196740. Its totient is φ = 116489921126400.

The previous prime is 116501156661563. The next prime is 116501156661667. The reversal of 116501156661569 is 965166651105611.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 54691763670544 + 61809392991025 = 7395388^2 + 7861895^2 .

It is a cyclic number.

It is not a de Polignac number, because 116501156661569 - 2⁸ = 116501156661313 is a prime.

It is a super-2 number, since 2×116501156661569² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (116501156661563) 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, 5617752032 + ... + 5617772769.

It is an arithmetic number, because the mean of its divisors is an integer number (29128098049185).

Almost surely, 2^{116501156661569} is an apocalyptic number.

It is an amenable number.

116501156661569 is a deficient number, since it is larger than the sum of its proper divisors (11235535171).

116501156661569 is a wasteful number, since it uses less digits than its factorization.

116501156661569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11235535170.

The product of its (nonzero) digits is 8748000, while the sum is 59.

The spelling of 116501156661569 in words is "one hundred sixteen trillion, five hundred one billion, one hundred fifty-six million, six hundred sixty-one thousand, five hundred sixty-nine".