1157676449809 has 8 divisors (see below), whose sum is σ = 1264504364928. Its totient is φ = 1051112634960.

The previous prime is 1157676449773. The next prime is 1157676449821. The reversal of 1157676449809 is 9089446767511.

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 1157676449809 - 2⁹ = 1157676449297 is a prime.

It is a super-2 number, since 2×1157676449809² (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 (1157676449899) 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, 66015897 + ... + 66033430.

It is an arithmetic number, because the mean of its divisors is an integer number (158063045616).

Almost surely, 2^{1157676449809} is an apocalyptic number.

It is an amenable number.

1157676449809 is a deficient number, since it is larger than the sum of its proper divisors (106827915119).

1157676449809 is a wasteful number, since it uses less digits than its factorization.

1157676449809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132050135.

The product of its (nonzero) digits is 91445760, while the sum is 67.

The spelling of 1157676449809 in words is "one trillion, one hundred fifty-seven billion, six hundred seventy-six million, four hundred forty-nine thousand, eight hundred nine".