10825027561 has 4 divisors (see below), whose sum is σ = 11076772432. Its totient is φ = 10573282692.

The previous prime is 10825027541. The next prime is 10825027571. The reversal of 10825027561 is 16572052801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10825027561 - 2¹¹ = 10825025513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10825027561.

It is not an unprimeable number, because it can be changed into a prime (10825027531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125872371 + ... + 125872456.

It is an arithmetic number, because the mean of its divisors is an integer number (2769193108).

Almost surely, 2^10825027561 is an apocalyptic number.

It is an amenable number.

10825027561 is a deficient number, since it is larger than the sum of its proper divisors (251744871).

10825027561 is an equidigital number, since it uses as much as digits as its factorization.

10825027561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251744870.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 10825027561 in words is "ten billion, eight hundred twenty-five million, twenty-seven thousand, five hundred sixty-one".