11177889556797 has 8 divisors (see below), whose sum is σ = 16559836380480. Its totient is φ = 7451926371180.

The previous prime is 11177889556789. The next prime is 11177889556837. The reversal of 11177889556797 is 79765598877111.

It is not a de Polignac number, because 11177889556797 - 2³ = 11177889556789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11177889556727) 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, 206997954729 + ... + 206997954782.

It is an arithmetic number, because the mean of its divisors is an integer number (2069979547560).

Almost surely, 2^{11177889556797} is an apocalyptic number.

It is an amenable number.

11177889556797 is a deficient number, since it is larger than the sum of its proper divisors (5381946823683).

11177889556797 is an equidigital number, since it uses as much as digits as its factorization.

11177889556797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413995909520 (or 413995909514 counting only the distinct ones).

The product of its digits is 1867017600, while the sum is 81.

The spelling of 11177889556797 in words is "eleven trillion, one hundred seventy-seven billion, eight hundred eighty-nine million, five hundred fifty-six thousand, seven hundred ninety-seven".