1109257141392 has 240 divisors, whose sum is σ = 3225552678400. Its totient is φ = 355483883520.

The previous prime is 1109257141339. The next prime is 1109257141403. The reversal of 1109257141392 is 2931417529011.

1109257141392 is a `hidden beast` number, since 1 + 1 + 0 + 9 + 2 + 571 + 41 + 39 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 632775588 + ... + 632777340.

Almost surely, 2^{1109257141392} is an apocalyptic number.

1109257141392 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 1109257141392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612776339200).

1109257141392 is an abundant number, since it is smaller than the sum of its proper divisors (2116295537008).

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

1109257141392 is a wasteful number, since it uses less digits than its factorization.

1109257141392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The spelling of 1109257141392 in words is "one trillion, one hundred nine billion, two hundred fifty-seven million, one hundred forty-one thousand, three hundred ninety-two".