1101439383552 has 144 divisors (see below), whose sum is σ = 3235080303000. Its totient is φ = 360923283456.

The previous prime is 1101439383521. The next prime is 1101439383553. The reversal of 1101439383552 is 2553839341011.

1101439383552 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 4 + 3 + 93 + 8 + 3 + 552 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 1101439383498 and 1101439383507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101439383553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 581074 + ... + 1593902.

Almost surely, 2^{1101439383552} is an apocalyptic number.

1101439383552 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 1101439383552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617540151500).

1101439383552 is an abundant number, since it is smaller than the sum of its proper divisors (2133640919448).

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

1101439383552 is a wasteful number, since it uses less digits than its factorization.

1101439383552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012916 (or 1012893 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 1101439383552 in words is "one trillion, one hundred one billion, four hundred thirty-nine million, three hundred eighty-three thousand, five hundred fifty-two".