11561626025 has 6 divisors (see below), whose sum is σ = 14336416302. Its totient is φ = 9249300800.

The previous prime is 11561626007. The next prime is 11561626051. The reversal of 11561626025 is 52062616511.

It can be written as a sum of positive squares in 3 ways, for example, as 4160121001 + 7401505024 = 64499^2 + 86032^2 .

It is not a de Polignac number, because 11561626025 - 2⁶ = 11561625961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 231232496 + ... + 231232545.

It is an arithmetic number, because the mean of its divisors is an integer number (2389402717).

Almost surely, 2^11561626025 is an apocalyptic number.

It is an amenable number.

11561626025 is a deficient number, since it is larger than the sum of its proper divisors (2774790277).

11561626025 is an equidigital number, since it uses as much as digits as its factorization.

11561626025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462465051 (or 462465046 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 11561626025 in words is "eleven billion, five hundred sixty-one million, six hundred twenty-six thousand, twenty-five".