11409804901 has 8 divisors (see below), whose sum is σ = 12449670624. Its totient is φ = 10370374320.

The previous prime is 11409804883. The next prime is 11409804911. The reversal of 11409804901 is 10940890411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11409804901 - 2⁷ = 11409804773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409804911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52695 + ... + 159988.

It is an arithmetic number, because the mean of its divisors is an integer number (1556208828).

Almost surely, 2^11409804901 is an apocalyptic number.

11409804901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11409804901 is a deficient number, since it is larger than the sum of its proper divisors (1039865723).

11409804901 is a wasteful number, since it uses less digits than its factorization.

11409804901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217571.

The product of its (nonzero) digits is 10368, while the sum is 37.

The spelling of 11409804901 in words is "eleven billion, four hundred nine million, eight hundred four thousand, nine hundred one".