11115255205 has 8 divisors (see below), whose sum is σ = 13338927000. Its totient is φ = 8891790336.

The previous prime is 11115255199. The next prime is 11115255209. The reversal of 11115255205 is 50255251111.

It can be written as a sum of positive squares in 4 ways, for example, as 53684929 + 11061570276 = 7327^2 + 105174^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11115255205 - 2²³ = 11106866597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115255209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115741 + ... + 188749.

It is an arithmetic number, because the mean of its divisors is an integer number (1667365875).

Almost surely, 2^11115255205 is an apocalyptic number.

It is an amenable number.

11115255205 is a deficient number, since it is larger than the sum of its proper divisors (2223671795).

11115255205 is an equidigital number, since it uses as much as digits as its factorization.

11115255205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103463.

The product of its (nonzero) digits is 2500, while the sum is 28.

The spelling of 11115255205 in words is "eleven billion, one hundred fifteen million, two hundred fifty-five thousand, two hundred five".