1121153512044 has 24 divisors (see below), whose sum is σ = 2700412761088. Its totient is φ = 361662423120.

The previous prime is 1121153512043. The next prime is 1121153512069. The reversal of 1121153512044 is 4402153511211.

It is not an unprimeable number, because it can be changed into a prime (1121153512043) 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, 1506926392 + ... + 1506927135.

Almost surely, 2^{1121153512044} is an apocalyptic number.

It is an amenable number.

1121153512044 is an abundant number, since it is smaller than the sum of its proper divisors (1579259249044).

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

1121153512044 is a wasteful number, since it uses less digits than its factorization.

1121153512044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3013853565 (or 3013853563 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The spelling of 1121153512044 in words is "one trillion, one hundred twenty-one billion, one hundred fifty-three million, five hundred twelve thousand, forty-four".