122553561455 has 32 divisors (see below), whose sum is σ = 170778767040. Its totient is φ = 83646673920.

The previous prime is 122553561437. The next prime is 122553561463. The reversal of 122553561455 is 554165355221.

It is not a de Polignac number, because 122553561455 - 2¹⁶ = 122553495919 is a prime.

It is a super-3 number, since 3×122553561455³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159532 + ... + 1260801.

It is an arithmetic number, because the mean of its divisors is an integer number (5336836470).

Almost surely, 2^122553561455 is an apocalyptic number.

122553561455 is a deficient number, since it is larger than the sum of its proper divisors (48225205585).

122553561455 is a wasteful number, since it uses less digits than its factorization.

122553561455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2420411.

The product of its digits is 900000, while the sum is 44.

The spelling of 122553561455 in words is "one hundred twenty-two billion, five hundred fifty-three million, five hundred sixty-one thousand, four hundred fifty-five".