122553515903 has 32 divisors (see below), whose sum is σ = 156084969600. Its totient is φ = 93592590336.

The previous prime is 122553515879. The next prime is 122553515911. The reversal of 122553515903 is 309515355221.

It is not a de Polignac number, because 122553515903 - 2⁶ = 122553515839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553515923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12643883 + ... + 12653571.

It is an arithmetic number, because the mean of its divisors is an integer number (4877655300).

Almost surely, 2^122553515903 is an apocalyptic number.

122553515903 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

122553515903 is a deficient number, since it is larger than the sum of its proper divisors (33531453697).

122553515903 is a wasteful number, since it uses less digits than its factorization.

122553515903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14531.

The product of its (nonzero) digits is 202500, while the sum is 41.

The spelling of 122553515903 in words is "one hundred twenty-two billion, five hundred fifty-three million, five hundred fifteen thousand, nine hundred three".