1143549248640 has 512 divisors, whose sum is σ = 3972763238400. Its totient is φ = 278725017600.

The previous prime is 1143549248591. The next prime is 1143549248651. The reversal of 1143549248640 is 468429453411.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 421816885 + ... + 421819595.

It is an arithmetic number, because the mean of its divisors is an integer number (7759303200).

Almost surely, 2^{1143549248640} is an apocalyptic number.

1143549248640 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 1143549248640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986381619200).

1143549248640 is an abundant number, since it is smaller than the sum of its proper divisors (2829213989760).

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

1143549248640 is a wasteful number, since it uses less digits than its factorization.

1143549248640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156 (or 3144 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 51.

The spelling of 1143549248640 in words is "one trillion, one hundred forty-three billion, five hundred forty-nine million, two hundred forty-eight thousand, six hundred forty".