1099405040501 has 4 divisors (see below), whose sum is σ = 1099433192352. Its totient is φ = 1099376888652.

The previous prime is 1099405040479. The next prime is 1099405040527. The reversal of 1099405040501 is 1050405049901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1099405040501 - 2³⁸ = 824527133557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1099405040561) 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, 14017265 + ... + 14095478.

It is an arithmetic number, because the mean of its divisors is an integer number (274858298088).

Almost surely, 2^{1099405040501} is an apocalyptic number.

It is an amenable number.

1099405040501 is a deficient number, since it is larger than the sum of its proper divisors (28151851).

1099405040501 is an equidigital number, since it uses as much as digits as its factorization.

1099405040501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28151850.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1099405040501 in words is "one trillion, ninety-nine billion, four hundred five million, forty thousand, five hundred one".