122553113351 has 4 divisors (see below), whose sum is σ = 122554122600. Its totient is φ = 122552104104.

The previous prime is 122553113341. The next prime is 122553113357. The reversal of 122553113351 is 153311355221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 153311355221 = 17 ⋅9018315013.

It is a cyclic number.

It is not a de Polignac number, because 122553113351 - 2³⁴ = 105373244167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553113357) 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 3 ways as a sum of consecutive naturals, for example, 292856 + ... + 575213.

It is an arithmetic number, because the mean of its divisors is an integer number (30638530650).

Almost surely, 2^122553113351 is an apocalyptic number.

122553113351 is a deficient number, since it is larger than the sum of its proper divisors (1009249).

122553113351 is an equidigital number, since it uses as much as digits as its factorization.

122553113351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009248.

The product of its digits is 13500, while the sum is 32.

Adding to 122553113351 its reverse (153311355221), we get a palindrome (275864468572).

The spelling of 122553113351 in words is "one hundred twenty-two billion, five hundred fifty-three million, one hundred thirteen thousand, three hundred fifty-one".