1159444393187 has 8 divisors (see below), whose sum is σ = 1195079586096. Its totient is φ = 1124035456032.

The previous prime is 1159444393183. The next prime is 1159444393207. The reversal of 1159444393187 is 7813934449511.

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 1159444393187 - 2² = 1159444393183 is a prime.

It is a super-2 number, since 2×1159444393187² (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 (1159444393183) 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, 56553533 + ... + 56574030.

It is an arithmetic number, because the mean of its divisors is an integer number (149384948262).

Almost surely, 2^{1159444393187} is an apocalyptic number.

1159444393187 is a deficient number, since it is larger than the sum of its proper divisors (35635192909).

1159444393187 is a wasteful number, since it uses less digits than its factorization.

1159444393187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113127877.

The product of its digits is 13063680, while the sum is 59.

The spelling of 1159444393187 in words is "one trillion, one hundred fifty-nine billion, four hundred forty-four million, three hundred ninety-three thousand, one hundred eighty-seven".