1115390490480 has 240 divisors, whose sum is σ = 4281994030080. Its totient is φ = 254885709312.

The previous prime is 1115390490463. The next prime is 1115390490481. The reversal of 1115390490480 is 840940935111.

1115390490480 is a `hidden beast` number, since 1 + 1 + 153 + 9 + 0 + 490 + 4 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115390490481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23175081 + ... + 23223159.

It is an arithmetic number, because the mean of its divisors is an integer number (17841641792).

Almost surely, 2^{1115390490480} is an apocalyptic number.

1115390490480 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 1115390490480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2140997015040).

1115390490480 is an abundant number, since it is smaller than the sum of its proper divisors (3166603539600).

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

1115390490480 is a wasteful number, since it uses less digits than its factorization.

1115390490480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52708 (or 52699 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 1115390490480 in words is "one trillion, one hundred fifteen billion, three hundred ninety million, four hundred ninety thousand, four hundred eighty".