1105388031097 has 4 divisors (see below), whose sum is σ = 1263300606976. Its totient is φ = 947475455220.

The previous prime is 1105388031089. The next prime is 1105388031101. The reversal of 1105388031097 is 7901308835011.

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 not a de Polignac number, because 1105388031097 - 2³ = 1105388031089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105388031017) 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, 78956287929 + ... + 78956287942.

It is an arithmetic number, because the mean of its divisors is an integer number (315825151744).

Almost surely, 2^{1105388031097} is an apocalyptic number.

It is an amenable number.

1105388031097 is a deficient number, since it is larger than the sum of its proper divisors (157912575879).

1105388031097 is an equidigital number, since it uses as much as digits as its factorization.

1105388031097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157912575878.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 1105388031097 in words is "one trillion, one hundred five billion, three hundred eighty-eight million, thirty-one thousand, ninety-seven".