11003800201 has 9 divisors (see below), whose sum is σ = 11615532903. Its totient is φ = 10422764640.

The previous prime is 11003800193. The next prime is 11003800253. The reversal of 11003800201 is 10200830011.

The square root of 11003800201 is 104899.

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

It can be written as a sum of positive squares in only one way, i.e., 3097033801 + 7906766400 = 55651^2 + 88920^2 .

It is not a de Polignac number, because 11003800201 - 2³ = 11003800193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11003801201) 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, 1990321 + ... + 1995841.

It is an arithmetic number, because the mean of its divisors is an integer number (1290614767).

Almost surely, 2^11003800201 is an apocalyptic number.

11003800201 is the 104899-th square number.

11003800201 is the 52450-th centered octagonal number.

It is an amenable number.

11003800201 is a deficient number, since it is larger than the sum of its proper divisors (611732702).

11003800201 is an frugal number, since it uses more digits than its factorization.

11003800201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11080 (or 5540 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Multiplying 11003800201 by its sum of digits (16), we get a square (176060803216 = 419596²).

The spelling of 11003800201 in words is "eleven billion, three million, eight hundred thousand, two hundred one".