1086193903681 has 4 divisors (see below), whose sum is σ = 1094746611712. Its totient is φ = 1077641195652.

The previous prime is 1086193903673. The next prime is 1086193903687. The reversal of 1086193903681 is 1863093916801.

It is a happy number.

1086193903681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1086193903681 - 2³ = 1086193903673 is a prime.

It is a super-2 number, since 2×1086193903681² (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 (1086193903687) 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, 4276353825 + ... + 4276354078.

It is an arithmetic number, because the mean of its divisors is an integer number (273686652928).

Almost surely, 2^{1086193903681} is an apocalyptic number.

It is an amenable number.

1086193903681 is a deficient number, since it is larger than the sum of its proper divisors (8552708031).

1086193903681 is an equidigital number, since it uses as much as digits as its factorization.

1086193903681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8552708030.

The product of its (nonzero) digits is 1679616, while the sum is 55.

The spelling of 1086193903681 in words is "one trillion, eighty-six billion, one hundred ninety-three million, nine hundred three thousand, six hundred eighty-one".