1131100123113 has 24 divisors (see below), whose sum is σ = 1719844382880. Its totient is φ = 714361152960.

The previous prime is 1131100123099. The next prime is 1131100123147. The reversal of 1131100123113 is 3113210011311.

It is not a de Polignac number, because 1131100123113 - 2¹⁴ = 1131100106729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1131100023113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11497453 + ... + 11595413.

It is an arithmetic number, because the mean of its divisors is an integer number (71660182620).

Almost surely, 2^{1131100123113} is an apocalyptic number.

It is an amenable number.

1131100123113 is a deficient number, since it is larger than the sum of its proper divisors (588744259767).

1131100123113 is a wasteful number, since it uses less digits than its factorization.

1131100123113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165509 (or 165506 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131100123113 its reverse (3113210011311), we get a palindrome (4244310134424).

The spelling of 1131100123113 in words is "one trillion, one hundred thirty-one billion, one hundred million, one hundred twenty-three thousand, one hundred thirteen".