1121756853250 has 256 divisors, whose sum is σ = 2491476309504. Its totient is φ = 373539840000.

The previous prime is 1121756853223. The next prime is 1121756853253. The reversal of 1121756853250 is 523586571211.

It is a self number, because there is not a number n which added to its sum of digits gives 1121756853250.

It is not an unprimeable number, because it can be changed into a prime (1121756853253) 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 127 ways as a sum of consecutive naturals, for example, 1125131752 + ... + 1125132748.

It is an arithmetic number, because the mean of its divisors is an integer number (9732329334).

Almost surely, 2^{1121756853250} is an apocalyptic number.

1121756853250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121756853250 is an abundant number, since it is smaller than the sum of its proper divisors (1369719456254).

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

1121756853250 is a wasteful number, since it uses less digits than its factorization.

1121756853250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 46.

The spelling of 1121756853250 in words is "one trillion, one hundred twenty-one billion, seven hundred fifty-six million, eight hundred fifty-three thousand, two hundred fifty".