52020515101 has 4 divisors (see below), whose sum is σ = 52238174400. Its totient is φ = 51802855804.

The previous prime is 52020515089. The next prime is 52020515111. The reversal of 52020515101 is 10151502025.

It is a happy number.

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 52020515101 - 2¹⁷ = 52020384029 is a prime.

It is a super-2 number, since 2×52020515101² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52020515111) 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, 108829291 + ... + 108829768.

It is an arithmetic number, because the mean of its divisors is an integer number (13059543600).

Almost surely, 2^52020515101 is an apocalyptic number.

It is an amenable number.

52020515101 is a deficient number, since it is larger than the sum of its proper divisors (217659299).

52020515101 is a wasteful number, since it uses less digits than its factorization.

52020515101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217659298.

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 52020515101 in words is "fifty-two billion, twenty million, five hundred fifteen thousand, one hundred one".