1141236449280 has 1200 divisors, whose sum is σ = 4425866476416. Its totient is φ = 280284364800.

The previous prime is 1141236449273. The next prime is 1141236449299. The reversal of 1141236449280 is 829446321411.

1141236449280 is a `hidden beast` number, since 1 + 1 + 4 + 1 + 2 + 364 + 4 + 9 + 280 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 7557857205 + ... + 7557857355.

Almost surely, 2^{1141236449280} is an apocalyptic number.

1141236449280 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 1141236449280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2212933238208).

1141236449280 is an abundant number, since it is smaller than the sum of its proper divisors (3284630027136).

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

1141236449280 is an equidigital number, since it uses as much as digits as its factorization.

1141236449280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 1141236449280 in words is "one trillion, one hundred forty-one billion, two hundred thirty-six million, four hundred forty-nine thousand, two hundred eighty".