1105000401091 has 4 divisors (see below), whose sum is σ = 1105381833192. Its totient is φ = 1104618968992.

The previous prime is 1105000401067. The next prime is 1105000401119. The reversal of 1105000401091 is 1901040005011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105000401091 - 2¹¹ = 1105000399043 is a prime.

It is a super-2 number, since 2×1105000401091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105000401061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190711705 + ... + 190717498.

It is an arithmetic number, because the mean of its divisors is an integer number (276345458298).

Almost surely, 2^{1105000401091} is an apocalyptic number.

1105000401091 is a deficient number, since it is larger than the sum of its proper divisors (381432101).

1105000401091 is an equidigital number, since it uses as much as digits as its factorization.

1105000401091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381432100.

The product of its (nonzero) digits is 180, while the sum is 22.

The spelling of 1105000401091 in words is "one trillion, one hundred five billion, four hundred one thousand, ninety-one".