1131905349016 has 64 divisors (see below), whose sum is σ = 2325519655200. Its totient is φ = 513297527808.

The previous prime is 1131905349007. The next prime is 1131905349019. The reversal of 1131905349016 is 6109435091311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131905349019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12059580 + ... + 12153076.

Almost surely, 2^{1131905349016} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131905349016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162759827600).

1131905349016 is an abundant number, since it is smaller than the sum of its proper divisors (1193614306184).

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

1131905349016 is a wasteful number, since it uses less digits than its factorization.

1131905349016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95548 (or 95544 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 43.

The spelling of 1131905349016 in words is "one trillion, one hundred thirty-one billion, nine hundred five million, three hundred forty-nine thousand, sixteen".