11803736025 has 27 divisors (see below), whose sum is σ = 21144722079. Its totient is φ = 6294456720.

The previous prime is 11803736017. The next prime is 11803736029. The reversal of 11803736025 is 52063730811.

The square root of 11803736025 is 108645.

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

11803736025 is a `hidden beast` number, since 1 + 18 + 0 + 37 + 3 + 602 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4249344969 + 7554391056 = 65187^2 + 86916^2 .

It is not a de Polignac number, because 11803736025 - 2³ = 11803736017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11803736029) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 1626054 + ... + 1633296.

Almost surely, 2^11803736025 is an apocalyptic number.

11803736025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11803736025 is the 108645-th square number.

11803736025 is the 54323-rd centered octagonal number.

It is an amenable number.

11803736025 is a deficient number, since it is larger than the sum of its proper divisors (9340986054).

11803736025 is an frugal number, since it uses more digits than its factorization.

11803736025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14502 (or 7251 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Multiplying 11803736025 by its sum of digits (36), we get a square (424934496900 = 651870²).

The spelling of 11803736025 in words is "eleven billion, eight hundred three million, seven hundred thirty-six thousand, twenty-five".