10898905219801 has 9 divisors (see below), whose sum is σ = 11577789385149. Its totient is φ = 10257740326464.

The previous prime is 10898905219789. The next prime is 10898905219871. The reversal of 10898905219801 is 10891250989801.

The square root of 10898905219801 is 3301349.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1509706147401 + 9389199072400 = 1228701^2 + 3064180^2 .

It is not a de Polignac number, because 10898905219801 - 2²¹ = 10898903122649 is a prime.

It is a super-2 number, since 2×10898905219801² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10898905219801.

It is not an unprimeable number, because it can be changed into a prime (10898905219871) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 56025835 + ... + 56220031.

Almost surely, 2^{10898905219801} is an apocalyptic number.

10898905219801 is the 3301349-th square number.

10898905219801 is the 1650675-th centered octagonal number.

It is an amenable number.

10898905219801 is a deficient number, since it is larger than the sum of its proper divisors (678884165348).

10898905219801 is an frugal number, since it uses more digits than its factorization.

10898905219801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388428 (or 194214 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 61.

The spelling of 10898905219801 in words is "ten trillion, eight hundred ninety-eight billion, nine hundred five million, two hundred nineteen thousand, eight hundred one".