1108709894957 has 4 divisors (see below), whose sum is σ = 1267097022816. Its totient is φ = 950322767100.

The previous prime is 1108709894939. The next prime is 1108709894959. The reversal of 1108709894957 is 7594989078011.

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 1108709894957 - 2¹⁰ = 1108709893933 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 (1108709894959) 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, 79193563919 + ... + 79193563932.

It is an arithmetic number, because the mean of its divisors is an integer number (316774255704).

Almost surely, 2^{1108709894957} is an apocalyptic number.

It is an amenable number.

1108709894957 is a deficient number, since it is larger than the sum of its proper divisors (158387127859).

1108709894957 is an equidigital number, since it uses as much as digits as its factorization.

1108709894957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158387127858.

The product of its (nonzero) digits is 45722880, while the sum is 68.

The spelling of 1108709894957 in words is "one trillion, one hundred eight billion, seven hundred nine million, eight hundred ninety-four thousand, nine hundred fifty-seven".