1143260520912 has 40 divisors (see below), whose sum is σ = 3281581126080. Its totient is φ = 381086840160.

The previous prime is 1143260520911. The next prime is 1143260520917. The reversal of 1143260520912 is 2190250623411.

1143260520912 is a `hidden beast` number, since 1 + 1 + 4 + 32 + 605 + 2 + 0 + 9 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143260520911) 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 7 ways as a sum of consecutive naturals, for example, 1323217764 + ... + 1323218627.

It is an arithmetic number, because the mean of its divisors is an integer number (82039528152).

Almost surely, 2^{1143260520912} is an apocalyptic number.

1143260520912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143260520912 is an abundant number, since it is smaller than the sum of its proper divisors (2138320605168).

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

1143260520912 is a wasteful number, since it uses less digits than its factorization.

1143260520912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646436408 (or 2646436396 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 1143260520912 in words is "one trillion, one hundred forty-three billion, two hundred sixty million, five hundred twenty thousand, nine hundred twelve".