501650115001 has 12 divisors (see below), whose sum is σ = 583604655348. Its totient is φ = 429947142912.

The previous prime is 501650114969. The next prime is 501650115017. The reversal of 501650115001 is 100511056105.

It can be written as a sum of positive squares in 2 ways, for example, as 227456501776 + 274193613225 = 476924^2 + 523635^2 .

It is not a de Polignac number, because 501650115001 - 2⁵ = 501650114969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501651115001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 96865 + ... + 1006321.

It is an arithmetic number, because the mean of its divisors is an integer number (48633721279).

Almost surely, 2^501650115001 is an apocalyptic number.

It is an amenable number.

501650115001 is a deficient number, since it is larger than the sum of its proper divisors (81954540347).

501650115001 is a wasteful number, since it uses less digits than its factorization.

501650115001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920728 (or 920721 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 501650115001 in words is "five hundred one billion, six hundred fifty million, one hundred fifteen thousand, one".