122553277536 has 48 divisors (see below), whose sum is σ = 321759031104. Its totient is φ = 40843895424.

The previous prime is 122553277513. The next prime is 122553277537. The reversal of 122553277536 is 635772355221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553277537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 449851 + ... + 668933.

It is an arithmetic number, because the mean of its divisors is an integer number (6703313148).

Almost surely, 2^122553277536 is an apocalyptic number.

122553277536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122553277536 is an abundant number, since it is smaller than the sum of its proper divisors (199205753568).

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

122553277536 is a wasteful number, since it uses less digits than its factorization.

122553277536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224923 (or 224915 counting only the distinct ones).

The product of its digits is 2646000, while the sum is 48.

The spelling of 122553277536 in words is "one hundred twenty-two billion, five hundred fifty-three million, two hundred seventy-seven thousand, five hundred thirty-six".