122553315528 has 64 divisors (see below), whose sum is σ = 357298320000. Its totient is φ = 35015230656.

The previous prime is 122553315487. The next prime is 122553315553. The reversal of 122553315528 is 825513355221.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 122553315528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7435483 + ... + 7451946.

It is an arithmetic number, because the mean of its divisors is an integer number (5582786250).

Almost surely, 2^122553315528 is an apocalyptic number.

It is an amenable number.

122553315528 is an abundant number, since it is smaller than the sum of its proper divisors (234745004472).

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

122553315528 is a wasteful number, since it uses less digits than its factorization.

122553315528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14887459 (or 14887441 counting only the distinct ones).

The product of its digits is 360000, while the sum is 42.

The spelling of 122553315528 in words is "one hundred twenty-two billion, five hundred fifty-three million, three hundred fifteen thousand, five hundred twenty-eight".