1100381583764 has 6 divisors (see below), whose sum is σ = 1925667771594. Its totient is φ = 550190791880.

The previous prime is 1100381583761. The next prime is 1100381583773. The reversal of 1100381583764 is 4673851830011.

It can be written as a sum of positive squares in only one way, i.e., 768939579664 + 331442004100 = 876892^2 + 575710^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100381583761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 137547697967 + ... + 137547697974.

It is an arithmetic number, because the mean of its divisors is an integer number (320944628599).

Almost surely, 2^{1100381583764} is an apocalyptic number.

It is an amenable number.

1100381583764 is a deficient number, since it is larger than the sum of its proper divisors (825286187830).

1100381583764 is a wasteful number, since it uses less digits than its factorization.

1100381583764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275095395945 (or 275095395943 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 1100381583764 in words is "one trillion, one hundred billion, three hundred eighty-one million, five hundred eighty-three thousand, seven hundred sixty-four".