122553557533 has 4 divisors (see below), whose sum is σ = 133694790048. Its totient is φ = 111412325020.

The previous prime is 122553557531. The next prime is 122553557537. The reversal of 122553557533 is 335755355221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122553557533 - 2¹ = 122553557531 is a prime.

It is a super-3 number, since 3×122553557533³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122553557531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570616241 + ... + 5570616262.

It is an arithmetic number, because the mean of its divisors is an integer number (33423697512).

Almost surely, 2^122553557533 is an apocalyptic number.

It is an amenable number.

122553557533 is a deficient number, since it is larger than the sum of its proper divisors (11141232515).

122553557533 is a wasteful number, since it uses less digits than its factorization.

122553557533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11141232514.

The product of its digits is 2362500, while the sum is 46.

It can be divided in two parts, 122553 and 557533, that added together give a palindrome (680086).

The spelling of 122553557533 in words is "one hundred twenty-two billion, five hundred fifty-three million, five hundred fifty-seven thousand, five hundred thirty-three".