52261131120 has 160 divisors (see below), whose sum is σ = 180498447360. Its totient is φ = 12399774720.

The previous prime is 52261131103. The next prime is 52261131133. The reversal of 52261131120 is 2113116225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86515 + ... + 334674.

It is an arithmetic number, because the mean of its divisors is an integer number (1128115296).

Almost surely, 2^52261131120 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 52261131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90249223680).

52261131120 is an abundant number, since it is smaller than the sum of its proper divisors (128237316240).

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

52261131120 is a wasteful number, since it uses less digits than its factorization.

52261131120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421263 (or 421257 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 52261131120 its reverse (2113116225), we get a palindrome (54374247345).

It can be divided in two parts, 52261 and 131120, that added together give a palindrome (183381).

The spelling of 52261131120 in words is "fifty-two billion, two hundred sixty-one million, one hundred thirty-one thousand, one hundred twenty".