561632103527 has 4 divisors (see below), whose sum is σ = 612689567496. Its totient is φ = 510574639560.

The previous prime is 561632103491. The next prime is 561632103533. The reversal of 561632103527 is 725301236165.

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 561632103527 - 2⁶ = 561632103463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561632103577) 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 in 3 ways as a sum of consecutive naturals, for example, 25528731968 + ... + 25528731989.

It is an arithmetic number, because the mean of its divisors is an integer number (153172391874).

Almost surely, 2^561632103527 is an apocalyptic number.

561632103527 is a deficient number, since it is larger than the sum of its proper divisors (51057463969).

561632103527 is a wasteful number, since it uses less digits than its factorization.

561632103527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51057463968.

The product of its (nonzero) digits is 226800, while the sum is 41.

The spelling of 561632103527 in words is "five hundred sixty-one billion, six hundred thirty-two million, one hundred three thousand, five hundred twenty-seven".