1105006129391 has 4 divisors (see below), whose sum is σ = 1111393448232. Its totient is φ = 1098618810552.

The previous prime is 1105006129343. The next prime is 1105006129429. The reversal of 1105006129391 is 1939216005011.

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 1105006129391 - 2³⁴ = 1087826260207 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 (1105006119391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3193659161 + ... + 3193659506.

It is an arithmetic number, because the mean of its divisors is an integer number (277848362058).

Almost surely, 2^{1105006129391} is an apocalyptic number.

1105006129391 is a deficient number, since it is larger than the sum of its proper divisors (6387318841).

1105006129391 is an equidigital number, since it uses as much as digits as its factorization.

1105006129391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6387318840.

The product of its (nonzero) digits is 14580, while the sum is 38.

The spelling of 1105006129391 in words is "one trillion, one hundred five billion, six million, one hundred twenty-nine thousand, three hundred ninety-one".