505600122551 has 4 divisors (see below), whose sum is σ = 505680370104. Its totient is φ = 505519875000.

The previous prime is 505600122487. The next prime is 505600122569. The reversal of 505600122551 is 155221006505.

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 505600122551 - 2⁶ = 505600122487 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 (505600122581) 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, 40114325 + ... + 40126926.

It is an arithmetic number, because the mean of its divisors is an integer number (126420092526).

Almost surely, 2^505600122551 is an apocalyptic number.

505600122551 is a deficient number, since it is larger than the sum of its proper divisors (80247553).

505600122551 is an equidigital number, since it uses as much as digits as its factorization.

505600122551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80247552.

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 505600122551 in words is "five hundred five billion, six hundred million, one hundred twenty-two thousand, five hundred fifty-one".