1121717272808 has 32 divisors (see below), whose sum is σ = 2294608124160. Its totient is φ = 509830058880.

The previous prime is 1121717272801. The next prime is 1121717272831. The reversal of 1121717272808 is 8082727171211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1121717272801) 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 7 ways as a sum of consecutive naturals, for example, 584585 + ... + 1607847.

It is an arithmetic number, because the mean of its divisors is an integer number (71706503880).

Almost surely, 2^{1121717272808} is an apocalyptic number.

It is an amenable number.

1121717272808 is an abundant number, since it is smaller than the sum of its proper divisors (1172890851352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121717272808 is a wasteful number, since it uses less digits than its factorization.

1121717272808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035737 (or 1035733 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 47.

The spelling of 1121717272808 in words is "one trillion, one hundred twenty-one billion, seven hundred seventeen million, two hundred seventy-two thousand, eight hundred eight".