501005605001 has 4 divisors (see below), whose sum is σ = 546551569104. Its totient is φ = 455459640900.

The previous prime is 501005604959. The next prime is 501005605013. The reversal of 501005605001 is 100506500105.

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 not a de Polignac number, because 501005605001 - 2³⁸ = 226127698057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501005605801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22772982035 + ... + 22772982056.

It is an arithmetic number, because the mean of its divisors is an integer number (136637892276).

Almost surely, 2^501005605001 is an apocalyptic number.

It is an amenable number.

501005605001 is a deficient number, since it is larger than the sum of its proper divisors (45545964103).

501005605001 is a wasteful number, since it uses less digits than its factorization.

501005605001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45545964102.

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

The spelling of 501005605001 in words is "five hundred one billion, five million, six hundred five thousand, one".