1134680245691 has 4 divisors (see below), whose sum is σ = 1134707123352. Its totient is φ = 1134653368032.

The previous prime is 1134680245687. The next prime is 1134680245703. The reversal of 1134680245691 is 1965420864311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1134680245691 - 2² = 1134680245687 is a prime.

It is a super-2 number, since 2×1134680245691² (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 (1134680245631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13375406 + ... + 13459971.

It is an arithmetic number, because the mean of its divisors is an integer number (283676780838).

Almost surely, 2^{1134680245691} is an apocalyptic number.

1134680245691 is a deficient number, since it is larger than the sum of its proper divisors (26877661).

1134680245691 is an equidigital number, since it uses as much as digits as its factorization.

1134680245691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26877660.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The spelling of 1134680245691 in words is "one trillion, one hundred thirty-four billion, six hundred eighty million, two hundred forty-five thousand, six hundred ninety-one".