52065111501540 has 240 divisors, whose sum is σ = 168524959502592. Its totient is φ = 13448534022144.

The previous prime is 52065111501499. The next prime is 52065111501553. The reversal of 52065111501540 is 4510511156025.

52065111501540 is a `hidden beast` number, since 5 + 2 + 0 + 6 + 51 + 11 + 50 + 1 + 540 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 52065111501495 and 52065111501504.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3860799 + ... + 10910361.

Almost surely, 2^{52065111501540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52065111501540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84262479751296).

52065111501540 is an abundant number, since it is smaller than the sum of its proper divisors (116459848001052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52065111501540 is a wasteful number, since it uses less digits than its factorization.

52065111501540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7049728 (or 7049717 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

Adding to 52065111501540 its reverse (4510511156025), we get a palindrome (56575622657565).

The spelling of 52065111501540 in words is "fifty-two trillion, sixty-five billion, one hundred eleven million, five hundred one thousand, five hundred forty".