1163512086281 has 8 divisors (see below), whose sum is σ = 1186519096224. Its totient is φ = 1140719095360.

The previous prime is 1163512086271. The next prime is 1163512086353. The reversal of 1163512086281 is 1826802153611.

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 1163512086281 - 2¹⁰ = 1163512085257 is a prime.

It is a super-2 number, since 2×1163512086281² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163512086271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53493776 + ... + 53515521.

It is an arithmetic number, because the mean of its divisors is an integer number (148314887028).

Almost surely, 2^{1163512086281} is an apocalyptic number.

It is an amenable number.

1163512086281 is a deficient number, since it is larger than the sum of its proper divisors (23007009943).

1163512086281 is a wasteful number, since it uses less digits than its factorization.

1163512086281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107009511.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 1163512086281 in words is "one trillion, one hundred sixty-three billion, five hundred twelve million, eighty-six thousand, two hundred eighty-one".