1121448689394 has 64 divisors (see below), whose sum is σ = 2526300168192. Its totient is φ = 328795833600.

The previous prime is 1121448689327. The next prime is 1121448689477. The reversal of 1121448689394 is 4939868441211.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9284074 + ... + 9404090.

It is an arithmetic number, because the mean of its divisors is an integer number (39473440128).

Almost surely, 2^{1121448689394} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121448689394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263150084096).

1121448689394 is an abundant number, since it is smaller than the sum of its proper divisors (1404851478798).

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

1121448689394 is a wasteful number, since it uses less digits than its factorization.

1121448689394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124631.

The product of its digits is 11943936, while the sum is 60.

The spelling of 1121448689394 in words is "one trillion, one hundred twenty-one billion, four hundred forty-eight million, six hundred eighty-nine thousand, three hundred ninety-four".