11071532225 has 36 divisors (see below), whose sum is σ = 15070052196. Its totient is φ = 8063677440.

The previous prime is 11071532209. The next prime is 11071532243. The reversal of 11071532225 is 52223517011.

It can be written as a sum of positive squares in 18 ways, for example, as 9552325696 + 1519206529 = 97736^2 + 38977^2 .

It is not a de Polignac number, because 11071532225 - 2⁴ = 11071532209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 290477 + ... + 326373.

It is an arithmetic number, because the mean of its divisors is an integer number (418612561).

Almost surely, 2^11071532225 is an apocalyptic number.

It is an amenable number.

11071532225 is a deficient number, since it is larger than the sum of its proper divisors (3998519971).

11071532225 is a wasteful number, since it uses less digits than its factorization.

11071532225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36006 (or 35988 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The spelling of 11071532225 in words is "eleven billion, seventy-one million, five hundred thirty-two thousand, two hundred twenty-five".