11755156225 has 12 divisors (see below), whose sum is σ = 14970351484. Its totient is φ = 9149958720.

The previous prime is 11755156213. The next prime is 11755156291. The reversal of 11755156225 is 52265155711.

It can be written as a sum of positive squares in 6 ways, for example, as 2058618384 + 9696537841 = 45372^2 + 98471^2 .

It is not a de Polignac number, because 11755156225 - 2³¹ = 9607672577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6353214 + ... + 6355063.

Almost surely, 2^11755156225 is an apocalyptic number.

It is an amenable number.

11755156225 is a deficient number, since it is larger than the sum of its proper divisors (3215195259).

11755156225 is a wasteful number, since it uses less digits than its factorization.

11755156225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12708324 (or 12708319 counting only the distinct ones).

The product of its digits is 105000, while the sum is 40.

The spelling of 11755156225 in words is "eleven billion, seven hundred fifty-five million, one hundred fifty-six thousand, two hundred twenty-five".