1098289221580 has 48 divisors (see below), whose sum is σ = 2334596592384. Its totient is φ = 433948132800.

The previous prime is 1098289221571. The next prime is 1098289221581. The reversal of 1098289221580 is 851229828901.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1098289221581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10156879 + ... + 10264441.

It is an arithmetic number, because the mean of its divisors is an integer number (48637429008).

Almost surely, 2^{1098289221580} is an apocalyptic number.

1098289221580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098289221580 is an abundant number, since it is smaller than the sum of its proper divisors (1236307370804).

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

1098289221580 is a wasteful number, since it uses less digits than its factorization.

1098289221580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113806 (or 113804 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 1098289221580 in words is "one trillion, ninety-eight billion, two hundred eighty-nine million, two hundred twenty-one thousand, five hundred eighty".