11525123587 has 2 divisors, whose sum is σ = 11525123588. Its totient is φ = 11525123586.

The previous prime is 11525123581. The next prime is 11525123609. The reversal of 11525123587 is 78532152511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11525123587 - 2¹¹ = 11525121539 is a prime.

It is not a weakly prime, because it can be changed into another prime (11525123581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5762561793 + 5762561794.

It is an arithmetic number, because the mean of its divisors is an integer number (5762561794).

Almost surely, 2^11525123587 is an apocalyptic number.

11525123587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11525123587 is an equidigital number, since it uses as much as digits as its factorization.

11525123587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84000, while the sum is 40.

The spelling of 11525123587 in words is "eleven billion, five hundred twenty-five million, one hundred twenty-three thousand, five hundred eighty-seven".