1121046542592 has 72 divisors (see below), whose sum is σ = 2985869771136. Its totient is φ = 373400242176.

The previous prime is 1121046542501. The next prime is 1121046542663. The reversal of 1121046542592 is 2952456401211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 469138 + ... + 1569134.

It is an arithmetic number, because the mean of its divisors is an integer number (41470413488).

Almost surely, 2^{1121046542592} is an apocalyptic number.

1121046542592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121046542592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1492934885568).

1121046542592 is an abundant number, since it is smaller than the sum of its proper divisors (1864823228544).

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

1121046542592 is a wasteful number, since it uses less digits than its factorization.

1121046542592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101343 (or 1101329 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 1121046542592 in words is "one trillion, one hundred twenty-one billion, forty-six million, five hundred forty-two thousand, five hundred ninety-two".