505601124253 has 4 divisors (see below), whose sum is σ = 532211709760. Its totient is φ = 478990538748.

The previous prime is 505601124247. The next prime is 505601124337. The reversal of 505601124253 is 352421106505.

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 505601124253 - 2⁵ = 505601124221 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 (505601164253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13305292725 + ... + 13305292762.

It is an arithmetic number, because the mean of its divisors is an integer number (133052927440).

Almost surely, 2^505601124253 is an apocalyptic number.

It is an amenable number.

505601124253 is a deficient number, since it is larger than the sum of its proper divisors (26610585507).

505601124253 is a wasteful number, since it uses less digits than its factorization.

505601124253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26610585506.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 505601124253 in words is "five hundred five billion, six hundred one million, one hundred twenty-four thousand, two hundred fifty-three".