52511003121 has 4 divisors (see below), whose sum is σ = 70014670832. Its totient is φ = 35007335412.

The previous prime is 52511003113. The next prime is 52511003143. The reversal of 52511003121 is 12130011525.

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 52511003121 - 2³ = 52511003113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52511003161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8751833851 + ... + 8751833856.

It is an arithmetic number, because the mean of its divisors is an integer number (17503667708).

Almost surely, 2^52511003121 is an apocalyptic number.

It is an amenable number.

52511003121 is a deficient number, since it is larger than the sum of its proper divisors (17503667711).

52511003121 is a wasteful number, since it uses less digits than its factorization.

52511003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17503667710.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 52511003121 its reverse (12130011525), we get a palindrome (64641014646).

The spelling of 52511003121 in words is "fifty-two billion, five hundred eleven million, three thousand, one hundred twenty-one".