52511224120000 has 140 divisors (see below), whose sum is σ = 130251047229160. Its totient is φ = 20997992448000.

The previous prime is 52511224119989. The next prime is 52511224120013. The reversal of 52511224120000 is 2142211525.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 130158592 + ... + 130561408.

Almost surely, 2^{52511224120000} is an apocalyptic number.

52511224120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52511224120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65125523614580).

52511224120000 is an abundant number, since it is smaller than the sum of its proper divisors (77739823109160).

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

52511224120000 is an equidigital number, since it uses as much as digits as its factorization.

52511224120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406108 (or 406083 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 52511224120000 its reverse (2142211525), we get a palindrome (52513366331525).

The spelling of 52511224120000 in words is "fifty-two trillion, five hundred eleven billion, two hundred twenty-four million, one hundred twenty thousand".