52020336406511 has 6 divisors (see below), whose sum is σ = 57179378033736. Its totient is φ = 47291214914900.

The previous prime is 52020336406501. The next prime is 52020336406537. The reversal of 52020336406511 is 11560463302025.

It is not a de Polignac number, because 52020336406511 - 2³⁰ = 52019262664687 is a prime.

It is a super-2 number, since 2×52020336406511² (a number of 28 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 (52020336406501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214960067675 + ... + 214960067916.

It is an arithmetic number, because the mean of its divisors is an integer number (9529896338956).

Almost surely, 2^{52020336406511} is an apocalyptic number.

52020336406511 is a deficient number, since it is larger than the sum of its proper divisors (5159041627225).

52020336406511 is a wasteful number, since it uses less digits than its factorization.

52020336406511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429920135613 (or 429920135602 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 52020336406511 its reverse (11560463302025), we get a palindrome (63580799708536).

The spelling of 52020336406511 in words is "fifty-two trillion, twenty billion, three hundred thirty-six million, four hundred six thousand, five hundred eleven".