11555026225 has 48 divisors (see below), whose sum is σ = 16010136000. Its totient is φ = 8221409280.

The previous prime is 11555026213. The next prime is 11555026229. The reversal of 11555026225 is 52262055511.

It is not a de Polignac number, because 11555026225 - 2¹⁷ = 11554895153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11555026229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3624082 + ... + 3627268.

It is an arithmetic number, because the mean of its divisors is an integer number (333544500).

Almost surely, 2^11555026225 is an apocalyptic number.

It is an amenable number.

11555026225 is a deficient number, since it is larger than the sum of its proper divisors (4455109775).

11555026225 is a wasteful number, since it uses less digits than its factorization.

11555026225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3682 (or 3677 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 11555026225 in words is "eleven billion, five hundred fifty-five million, twenty-six thousand, two hundred twenty-five".