122555230011545 has 8 divisors (see below), whose sum is σ = 147077188484424. Its totient is φ = 98036909028864.

The previous prime is 122555230011491. The next prime is 122555230011563. The reversal of 122555230011545 is 545110032555221.

It can be written as a sum of positive squares in 4 ways, for example, as 12104630847241 + 110450599164304 = 3479171^2 + 10509548^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122555230011545 - 2²⁴ = 122555213234329 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 909298424 + ... + 909433193.

It is an arithmetic number, because the mean of its divisors is an integer number (18384648560553).

Almost surely, 2^{122555230011545} is an apocalyptic number.

It is an amenable number.

122555230011545 is a deficient number, since it is larger than the sum of its proper divisors (24521958472879).

122555230011545 is a wasteful number, since it uses less digits than its factorization.

122555230011545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818745099.

The product of its (nonzero) digits is 300000, while the sum is 41.

Adding to 122555230011545 its reverse (545110032555221), we get a palindrome (667665262566766).

The spelling of 122555230011545 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred thirty million, eleven thousand, five hundred forty-five".