10581222487 has 4 divisors (see below), whose sum is σ = 11543151816. Its totient is φ = 9619293160.

The previous prime is 10581222451. The next prime is 10581222499. The reversal of 10581222487 is 78422218501.

10581222487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10581222487 - 2³¹ = 8433738839 is a prime.

It is a super-2 number, since 2×10581222487² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10581222187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480964648 + ... + 480964669.

It is an arithmetic number, because the mean of its divisors is an integer number (2885787954).

Almost surely, 2^10581222487 is an apocalyptic number.

10581222487 is a deficient number, since it is larger than the sum of its proper divisors (961929329).

10581222487 is an equidigital number, since it uses as much as digits as its factorization.

10581222487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961929328.

The product of its (nonzero) digits is 71680, while the sum is 40.

The spelling of 10581222487 in words is "ten billion, five hundred eighty-one million, two hundred twenty-two thousand, four hundred eighty-seven".