501141121513 has 4 divisors (see below), whose sum is σ = 504141966720. Its totient is φ = 498140276308.

The previous prime is 501141121511. The next prime is 501141121529. The reversal of 501141121513 is 315121141105.

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 501141121513 - 2¹ = 501141121511 is a prime.

It is a super-2 number, since 2×501141121513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501141121511) 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, 1500422353 + ... + 1500422686.

It is an arithmetic number, because the mean of its divisors is an integer number (126035491680).

Almost surely, 2^501141121513 is an apocalyptic number.

It is an amenable number.

501141121513 is a deficient number, since it is larger than the sum of its proper divisors (3000845207).

501141121513 is a wasteful number, since it uses less digits than its factorization.

501141121513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3000845206.

The product of its (nonzero) digits is 600, while the sum is 25.

Adding to 501141121513 its reverse (315121141105), we get a palindrome (816262262618).

The spelling of 501141121513 in words is "five hundred one billion, one hundred forty-one million, one hundred twenty-one thousand, five hundred thirteen".