1181667101159 has 4 divisors (see below), whose sum is σ = 1186738634016. Its totient is φ = 1176595568304.

The previous prime is 1181667101149. The next prime is 1181667101161. The reversal of 1181667101159 is 9511017661811.

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

It is a cyclic number.

It is not a de Polignac number, because 1181667101159 - 2¹⁶ = 1181667035623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181667101119) 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, 2535766079 + ... + 2535766544.

It is an arithmetic number, because the mean of its divisors is an integer number (296684658504).

Almost surely, 2^{1181667101159} is an apocalyptic number.

1181667101159 is a deficient number, since it is larger than the sum of its proper divisors (5071532857).

1181667101159 is an equidigital number, since it uses as much as digits as its factorization.

1181667101159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071532856.

The product of its (nonzero) digits is 90720, while the sum is 47.

The spelling of 1181667101159 in words is "one trillion, one hundred eighty-one billion, six hundred sixty-seven million, one hundred one thousand, one hundred fifty-nine".