1131102312140 has 12 divisors (see below), whose sum is σ = 2375314855536. Its totient is φ = 452440924848.

The previous prime is 1131102312089. The next prime is 1131102312149. The reversal of 1131102312140 is 412132011311.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 56555115607 = 1131102312140 / (1 + 1 + 3 + 1 + 1 + 0 + 2 + 3 + 1 + 2 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (1131102312149) 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, 28277557784 + ... + 28277557823.

It is an arithmetic number, because the mean of its divisors is an integer number (197942904628).

Almost surely, 2^{1131102312140} is an apocalyptic number.

1131102312140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131102312140 is an abundant number, since it is smaller than the sum of its proper divisors (1244212543396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1131102312140 is a wasteful number, since it uses less digits than its factorization.

1131102312140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56555115616 (or 56555115614 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1131102312140 its reverse (412132011311), we get a palindrome (1543234323451).

The spelling of 1131102312140 in words is "one trillion, one hundred thirty-one billion, one hundred two million, three hundred twelve thousand, one hundred forty".