1141309591812 has 72 divisors (see below), whose sum is σ = 3107801465496. Its totient is φ = 351070101504.

The previous prime is 1141309591789. The next prime is 1141309591813. The reversal of 1141309591812 is 2181959031411.

1141309591812 is a `hidden beast` number, since 1 + 1 + 41 + 3 + 0 + 9 + 591 + 8 + 12 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 17908862976 + 1123400728836 = 133824^2 + 1059906^2 .

It is not an unprimeable number, because it can be changed into a prime (1141309591813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1265158 + ... + 1970594.

It is an arithmetic number, because the mean of its divisors is an integer number (43163909243).

Almost surely, 2^{1141309591812} is an apocalyptic number.

1141309591812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1141309591812 is an abundant number, since it is smaller than the sum of its proper divisors (1966491873684).

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

1141309591812 is a wasteful number, since it uses less digits than its factorization.

1141309591812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708917 (or 708912 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 45.

The spelling of 1141309591812 in words is "one trillion, one hundred forty-one billion, three hundred nine million, five hundred ninety-one thousand, eight hundred twelve".