1121756022672 has 40 divisors (see below), whose sum is σ = 2968549479840. Its totient is φ = 364798705920.

The previous prime is 1121756022643. The next prime is 1121756022677. The reversal of 1121756022672 is 2762206571211.

It is not an unprimeable number, because it can be changed into a prime (1121756022677) 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, 284997022 + ... + 285000957.

It is an arithmetic number, because the mean of its divisors is an integer number (74213736996).

Almost surely, 2^{1121756022672} is an apocalyptic number.

1121756022672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1121756022672 is an abundant number, since it is smaller than the sum of its proper divisors (1846793457168).

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

1121756022672 is a wasteful number, since it uses less digits than its factorization.

1121756022672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569998031 (or 569998025 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 1121756022672 in words is "one trillion, one hundred twenty-one billion, seven hundred fifty-six million, twenty-two thousand, six hundred seventy-two".