1061105598 has 96 divisors (see below), whose sum is σ = 2755524096. Its totient is φ = 288535104.

The previous prime is 1061105581. The next prime is 1061105623. The reversal of 1061105598 is 8955011601.

1061105598 is a `hidden beast` number, since 1 + 0 + 61 + 1 + 0 + 5 + 598 = 666.

It is a super-2 number, since 2×1061105598² = 2251890180213875208, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 657040 + ... + 658652.

It is an arithmetic number, because the mean of its divisors is an integer number (28703376).

Almost surely, 2^1061105598 is an apocalyptic number.

1061105598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1061105598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1377762048).

1061105598 is an abundant number, since it is smaller than the sum of its proper divisors (1694418498).

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

1061105598 is a wasteful number, since it uses less digits than its factorization.

1061105598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878 (or 1875 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The square root of 1061105598 is about 32574.6158534525. The cubic root of 1061105598 is about 1019.9671904095.

The spelling of 1061105598 in words is "one billion, sixty-one million, one hundred five thousand, five hundred ninety-eight".