52511205102240 has 384 divisors, whose sum is σ = 180665579485440. Its totient is φ = 12774373982208.

The previous prime is 52511205102229. The next prime is 52511205102263. The reversal of 52511205102240 is 4220150211525.

It is a super-2 number, since 2×52511205102240² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 52511205102198 and 52511205102207.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31929534 + ... + 33533826.

It is an arithmetic number, because the mean of its divisors is an integer number (470483279910).

Almost surely, 2^{52511205102240} 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 52511205102240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90332789742720).

52511205102240 is an abundant number, since it is smaller than the sum of its proper divisors (128154374383200).

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

52511205102240 is a wasteful number, since it uses less digits than its factorization.

52511205102240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604464 (or 1604456 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 52511205102240 its reverse (4220150211525), we get a palindrome (56731355313765).

The spelling of 52511205102240 in words is "fifty-two trillion, five hundred eleven billion, two hundred five million, one hundred two thousand, two hundred forty".