1164251543859 has 12 divisors (see below), whose sum is σ = 1683056186656. Its totient is φ = 775540228752.

The previous prime is 1164251543849. The next prime is 1164251543881. The reversal of 1164251543859 is 9583451524611.

1164251543859 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 2 + 515 + 43 + 85 + 9 = 666.

It is not a de Polignac number, because 1164251543859 - 2⁷ = 1164251543731 is a prime.

It is a super-2 number, since 2×1164251543859² (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 (1164251543839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52277179 + ... + 52299444.

Almost surely, 2^{1164251543859} is an apocalyptic number.

1164251543859 is a deficient number, since it is larger than the sum of its proper divisors (518804642797).

1164251543859 is a wasteful number, since it uses less digits than its factorization.

1164251543859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104577866 (or 104577863 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 54.

The spelling of 1164251543859 in words is "one trillion, one hundred sixty-four billion, two hundred fifty-one million, five hundred forty-three thousand, eight hundred fifty-nine".