1098008901 has 12 divisors (see below), whose sum is σ = 1730196000. Its totient is φ = 665459880.

The previous prime is 1098008867. The next prime is 1098008959.

1098008901 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1098008901 - 2¹⁵ = 1097976133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098008981) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5545401 + ... + 5545598.

It is an arithmetic number, because the mean of its divisors is an integer number (144183000).

Almost surely, 2^1098008901 is an apocalyptic number.

1098008901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1098008901 is a deficient number, since it is larger than the sum of its proper divisors (632187099).

1098008901 is a wasteful number, since it uses less digits than its factorization.

1098008901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11091016 (or 11091013 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 1098008901 is about 33136.2173610688. The cubic root of 1098008901 is about 1031.6568993078.

The spelling of 1098008901 in words is "one billion, ninety-eight million, eight thousand, nine hundred one".