122553653776 has 40 divisors (see below), whose sum is σ = 250067387520. Its totient is φ = 58023294336.

The previous prime is 122553653671. The next prime is 122553653777. The reversal of 122553653776 is 677356355221.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (122553653777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529446 + ... + 724858.

It is an arithmetic number, because the mean of its divisors is an integer number (6251684688).

Almost surely, 2^122553653776 is an apocalyptic number.

122553653776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

122553653776 is an abundant number, since it is smaller than the sum of its proper divisors (127513733744).

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

122553653776 is a wasteful number, since it uses less digits than its factorization.

122553653776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197503 (or 197497 counting only the distinct ones).

The product of its digits is 7938000, while the sum is 52.

The spelling of 122553653776 in words is "one hundred twenty-two billion, five hundred fifty-three million, six hundred fifty-three thousand, seven hundred seventy-six".