1149601918159 has 4 divisors (see below), whose sum is σ = 1149605360280. Its totient is φ = 1149598476040.

The previous prime is 1149601918141. The next prime is 1149601918177. The reversal of 1149601918159 is 9518191069411.

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

It is an interprime number because it is at equal distance from previous prime (1149601918141) and next prime (1149601918177).

It is a cyclic number.

It is not a de Polignac number, because 1149601918159 - 2²³ = 1149593529551 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 (1149601918459) 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, 1158877 + ... + 1908454.

It is an arithmetic number, because the mean of its divisors is an integer number (287401340070).

Almost surely, 2^{1149601918159} is an apocalyptic number.

1149601918159 is a deficient number, since it is larger than the sum of its proper divisors (3442121).

1149601918159 is an equidigital number, since it uses as much as digits as its factorization.

1149601918159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442120.

The product of its (nonzero) digits is 699840, while the sum is 55.

The spelling of 1149601918159 in words is "one trillion, one hundred forty-nine billion, six hundred one million, nine hundred eighteen thousand, one hundred fifty-nine".