1094511423721 has 3 divisors (see below), whose sum is σ = 1094512469911. Its totient is φ = 1094510377532.

The previous prime is 1094511423713. The next prime is 1094511423737. The reversal of 1094511423721 is 1273241154901.

It is a happy number.

The square root of 1094511423721 is 1046189.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 372113420121 + 722398003600 = 610011^2 + 849940^2 .

It is not a de Polignac number, because 1094511423721 - 2³ = 1094511423713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1094511421721) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 523095 + ... + 1569283.

Almost surely, 2^{1094511423721} is an apocalyptic number.

1094511423721 is the 1046189-th square number.

1094511423721 is the 523095-th centered octagonal number.

It is an amenable number.

1094511423721 is a deficient number, since it is larger than the sum of its proper divisors (1046190).

1094511423721 is an frugal number, since it uses more digits than its factorization.

1094511423721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092378 (or 1046189 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 1094511423721 in words is "one trillion, ninety-four billion, five hundred eleven million, four hundred twenty-three thousand, seven hundred twenty-one".