122553557357 has 24 divisors (see below), whose sum is σ = 154299569088. Its totient is φ = 95280419520.

The previous prime is 122553557353. The next prime is 122553557377. The reversal of 122553557357 is 753755355221.

It is not a de Polignac number, because 122553557357 - 2² = 122553557353 is a prime.

It is a super-3 number, since 3×122553557357³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553557353) 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 23 ways as a sum of consecutive naturals, for example, 211913 + ... + 538529.

It is an arithmetic number, because the mean of its divisors is an integer number (6429148712).

Almost surely, 2^122553557357 is an apocalyptic number.

It is an amenable number.

122553557357 is a deficient number, since it is larger than the sum of its proper divisors (31746011731).

122553557357 is a wasteful number, since it uses less digits than its factorization.

122553557357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327089 (or 327078 counting only the distinct ones).

The product of its digits is 5512500, while the sum is 50.

The spelling of 122553557357 in words is "one hundred twenty-two billion, five hundred fifty-three million, five hundred fifty-seven thousand, three hundred fifty-seven".