11525544089 has 2 divisors, whose sum is σ = 11525544090. Its totient is φ = 11525544088.

The previous prime is 11525544061. The next prime is 11525544101. The reversal of 11525544089 is 98044552511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6940222864 + 4585321225 = 83308^2 + 67715^2 .

It is a cyclic number.

It is not a de Polignac number, because 11525544089 - 2⁸ = 11525543833 is a prime.

It is not a weakly prime, because it can be changed into another prime (11525544029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762772044 + 5762772045.

It is an arithmetic number, because the mean of its divisors is an integer number (5762772045).

Almost surely, 2^11525544089 is an apocalyptic number.

It is an amenable number.

11525544089 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525544089 is an equidigital number, since it uses as much as digits as its factorization.

11525544089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 11525544089 in words is "eleven billion, five hundred twenty-five million, five hundred forty-four thousand, eighty-nine".