505100605001 has 4 divisors (see below), whose sum is σ = 515847426432. Its totient is φ = 494353783572.

The previous prime is 505100604961. The next prime is 505100605013. The reversal of 505100605001 is 100506001505.

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 a de Polignac number, because none of the positive numbers 2^k-505100605001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505100605601) 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, 5373410645 + ... + 5373410738.

It is an arithmetic number, because the mean of its divisors is an integer number (128961856608).

Almost surely, 2^505100605001 is an apocalyptic number.

It is an amenable number.

505100605001 is a deficient number, since it is larger than the sum of its proper divisors (10746821431).

505100605001 is a wasteful number, since it uses less digits than its factorization.

505100605001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10746821430.

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 505100605001 its reverse (100506001505), we get a palindrome (605606606506).

The spelling of 505100605001 in words is "five hundred five billion, one hundred million, six hundred five thousand, one".