610505560551 has 4 divisors (see below), whose sum is σ = 814007414072. Its totient is φ = 407003707032.

The previous prime is 610505560513. The next prime is 610505560559. The reversal of 610505560551 is 155065505016.

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

It is not a de Polignac number, because 610505560551 - 2⁶ = 610505560487 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 (610505560559) 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, 101750926756 + ... + 101750926761.

It is an arithmetic number, because the mean of its divisors is an integer number (203501853518).

Almost surely, 2^610505560551 is an apocalyptic number.

610505560551 is a deficient number, since it is larger than the sum of its proper divisors (203501853521).

610505560551 is a wasteful number, since it uses less digits than its factorization.

610505560551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203501853520.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 610505560551 in words is "six hundred ten billion, five hundred five million, five hundred sixty thousand, five hundred fifty-one".