1018981503360 has 896 divisors, whose sum is σ = 3901118112000. Its totient is φ = 253644410880.

The previous prime is 1018981503343. The next prime is 1018981503373. The reversal of 1018981503360 is 633051898101.

It is a happy number.

1018981503360 is a `hidden beast` number, since 1 + 0 + 1 + 8 + 9 + 81 + 503 + 3 + 60 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 111 ways as a sum of consecutive naturals, for example, 629388631 + ... + 629390249.

Almost surely, 2^{1018981503360} is an apocalyptic number.

1018981503360 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 1018981503360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1950559056000).

1018981503360 is an abundant number, since it is smaller than the sum of its proper divisors (2882136608640).

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

1018981503360 is an equidigital number, since it uses as much as digits as its factorization.

1018981503360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1719 counting only the distinct ones).

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

The spelling of 1018981503360 in words is "one trillion, eighteen billion, nine hundred eighty-one million, five hundred three thousand, three hundred sixty".