1180856335049 has 4 divisors (see below), whose sum is σ = 1180859032320. Its totient is φ = 1180853637780.

The previous prime is 1180856335033. The next prime is 1180856335051. The reversal of 1180856335049 is 9405336580811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1180856335049 - 2⁴ = 1180856335033 is a prime.

It is a super-2 number, since 2×1180856335049² (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 (1180856335079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 523769 + ... + 1623590.

It is an arithmetic number, because the mean of its divisors is an integer number (295214758080).

Almost surely, 2^{1180856335049} is an apocalyptic number.

It is an amenable number.

1180856335049 is a deficient number, since it is larger than the sum of its proper divisors (2697271).

1180856335049 is an equidigital number, since it uses as much as digits as its factorization.

1180856335049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697270.

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 1180856335049 in words is "one trillion, one hundred eighty billion, eight hundred fifty-six million, three hundred thirty-five thousand, forty-nine".