1107831611827 has 4 divisors (see below), whose sum is σ = 1146032701920. Its totient is φ = 1069630521736.

The previous prime is 1107831611819. The next prime is 1107831611839. The reversal of 1107831611827 is 7281161387011.

It is a happy number.

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 1107831611827 - 2³ = 1107831611819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1107831611807) 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, 19100545003 + ... + 19100545060.

It is an arithmetic number, because the mean of its divisors is an integer number (286508175480).

Almost surely, 2^{1107831611827} is an apocalyptic number.

1107831611827 is a deficient number, since it is larger than the sum of its proper divisors (38201090093).

1107831611827 is an equidigital number, since it uses as much as digits as its factorization.

1107831611827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38201090092.

The product of its (nonzero) digits is 112896, while the sum is 46.

Adding to 1107831611827 its reverse (7281161387011), we get a palindrome (8388992998838).

The spelling of 1107831611827 in words is "one trillion, one hundred seven billion, eight hundred thirty-one million, six hundred eleven thousand, eight hundred twenty-seven".