1131926814720 has 832 divisors, whose sum is σ = 4388323475340. Its totient is φ = 278628139008.

The previous prime is 1131926814677. The next prime is 1131926814749. The reversal of 1131926814720 is 274186291311.

1131926814720 is a `hidden beast` number, since 1 + 1 + 31 + 92 + 68 + 1 + 472 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1053562650624 + 78364164096 = 1026432^2 + 279936^2 .

It is a tau number, because it is divible by the number of its divisors (832).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 51 ways as a sum of consecutive naturals, for example, 87071293434 + ... + 87071293446.

Almost surely, 2^{1131926814720} is an apocalyptic number.

1131926814720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1131926814720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194161737670).

1131926814720 is an abundant number, since it is smaller than the sum of its proper divisors (3256396660620).

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

1131926814720 is an frugal number, since it uses more digits than its factorization.

1131926814720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The spelling of 1131926814720 in words is "one trillion, one hundred thirty-one billion, nine hundred twenty-six million, eight hundred fourteen thousand, seven hundred twenty".