1098541056 has 48 divisors (see below), whose sum is σ = 2928744000. Its totient is φ = 366178304.

The previous prime is 1098541051. The next prime is 1098541097. The reversal of 1098541056 is 6501458901.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1098541051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83256 + ... + 95543.

It is an arithmetic number, because the mean of its divisors is an integer number (61015500).

Almost surely, 2^1098541056 is an apocalyptic number.

1098541056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1098541056 is an abundant number, since it is smaller than the sum of its proper divisors (1830202944).

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

1098541056 is an equidigital number, since it uses as much as digits as its factorization.

1098541056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178824 (or 178804 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1098541056 is about 33144.2461974926. The cubic root of 1098541056 is about 1031.8235381236.

Adding to 1098541056 its reverse (6501458901), we get a palindrome (7599999957).

The spelling of 1098541056 in words is "one billion, ninety-eight million, five hundred forty-one thousand, fifty-six".