52245121211040 has 96 divisors (see below), whose sum is σ = 164573144003520. Its totient is φ = 13931946635264.

The previous prime is 52245121210999. The next prime is 52245121211047. The reversal of 52245121211040 is 4011212154225.

It is a tau number, because it is divible by the number of its divisors (96).

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 = 52245121210989 and 52245121211007.

It is not an unprimeable number, because it can be changed into a prime (52245121211047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133349512 + ... + 133740728.

It is an arithmetic number, because the mean of its divisors is an integer number (1714303583370).

Almost surely, 2^{52245121211040} is an apocalyptic number.

It is an amenable number.

52245121211040 is an abundant number, since it is smaller than the sum of its proper divisors (112328022792480).

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

52245121211040 is a wasteful number, since it uses less digits than its factorization.

52245121211040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 669454 (or 669446 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 52245121211040 its reverse (4011212154225), we get a palindrome (56256333365265).

The spelling of 52245121211040 in words is "fifty-two trillion, two hundred forty-five billion, one hundred twenty-one million, two hundred eleven thousand, forty".