1104415430521 has 4 divisors (see below), whose sum is σ = 1189370463652. Its totient is φ = 1019460397392.

The previous prime is 1104415430513. The next prime is 1104415430663. The reversal of 1104415430521 is 1250345144011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 124386709225 + 980028721296 = 352685^2 + 989964^2 .

It is a cyclic number.

It is not a de Polignac number, because 1104415430521 - 2³ = 1104415430513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1104415430501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42477516546 + ... + 42477516571.

It is an arithmetic number, because the mean of its divisors is an integer number (297342615913).

Almost surely, 2^{1104415430521} is an apocalyptic number.

It is an amenable number.

1104415430521 is a deficient number, since it is larger than the sum of its proper divisors (84955033131).

1104415430521 is an equidigital number, since it uses as much as digits as its factorization.

1104415430521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84955033130.

The product of its (nonzero) digits is 9600, while the sum is 31.

The spelling of 1104415430521 in words is "one trillion, one hundred four billion, four hundred fifteen million, four hundred thirty thousand, five hundred twenty-one".