11543671098 has 20 divisors (see below), whose sum is σ = 25866374490. Its totient is φ = 3847890312.

The previous prime is 11543671091. The next prime is 11543671099. The reversal of 11543671098 is 89017634511.

11543671098 is a `hidden beast` number, since 1 + 1 + 543 + 6 + 7 + 10 + 98 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11215445409 + 328225689 = 105903^2 + 18117^2 .

It is not an unprimeable number, because it can be changed into a prime (11543671091) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 35628453 + ... + 35628776.

Almost surely, 2^11543671098 is an apocalyptic number.

11543671098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11543671098 is an abundant number, since it is smaller than the sum of its proper divisors (14322703392).

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

11543671098 is an equidigital number, since it uses as much as digits as its factorization.

11543671098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71257243 (or 71257234 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 11543671098 in words is "eleven billion, five hundred forty-three million, six hundred seventy-one thousand, ninety-eight".