1126556164361 has 8 divisors (see below), whose sum is σ = 1162983788544. Its totient is φ = 1090133984160.

The previous prime is 1126556164313. The next prime is 1126556164451. The reversal of 1126556164361 is 1634616556211.

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 1126556164361 - 2¹⁸ = 1126555902217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1126556161361) 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 7 ways as a sum of consecutive naturals, for example, 938345 + ... + 1770198.

It is an arithmetic number, because the mean of its divisors is an integer number (145372973568).

Almost surely, 2^{1126556164361} is an apocalyptic number.

It is an amenable number.

1126556164361 is a deficient number, since it is larger than the sum of its proper divisors (36427624183).

1126556164361 is a wasteful number, since it uses less digits than its factorization.

1126556164361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721991.

The product of its digits is 777600, while the sum is 47.

The spelling of 1126556164361 in words is "one trillion, one hundred twenty-six billion, five hundred fifty-six million, one hundred sixty-four thousand, three hundred sixty-one".