1097195180894 has 4 divisors (see below), whose sum is σ = 1645792771344. Its totient is φ = 548597590446.

The previous prime is 1097195180869. The next prime is 1097195180927. The reversal of 1097195180894 is 4980815917901.

It is a happy number.

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

It is a super-3 number, since 3×1097195180894³ (a number of 37 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274298795222 + ... + 274298795225.

It is an arithmetic number, because the mean of its divisors is an integer number (411448192836).

Almost surely, 2^{1097195180894} is an apocalyptic number.

1097195180894 is a deficient number, since it is larger than the sum of its proper divisors (548597590450).

1097195180894 is an equidigital number, since it uses as much as digits as its factorization.

1097195180894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548597590449.

The product of its (nonzero) digits is 6531840, while the sum is 62.

The spelling of 1097195180894 in words is "one trillion, ninety-seven billion, one hundred ninety-five million, one hundred eighty thousand, eight hundred ninety-four".