122543153055 has 48 divisors (see below), whose sum is σ = 214411317120. Its totient is φ = 64742618304.

The previous prime is 122543152891. The next prime is 122543153093. The reversal of 122543153055 is 550351345221.

122543153055 is a `hidden beast` number, since 1 + 22 + 54 + 3 + 1 + 530 + 55 = 666.

It is not a de Polignac number, because 122543153055 - 2¹⁶ = 122543087519 is a prime.

It is a super-2 number, since 2×122543153055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2224636 + ... + 2279054.

It is an arithmetic number, because the mean of its divisors is an integer number (4466902440).

Almost surely, 2^122543153055 is an apocalyptic number.

122543153055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122543153055 is a deficient number, since it is larger than the sum of its proper divisors (91868164065).

122543153055 is a wasteful number, since it uses less digits than its factorization.

122543153055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54900 (or 54897 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

Adding to 122543153055 its reverse (550351345221), we get a palindrome (672894498276).

The spelling of 122543153055 in words is "one hundred twenty-two billion, five hundred forty-three million, one hundred fifty-three thousand, fifty-five".