122311112040553 has 4 divisors (see below), whose sum is σ = 122344927668180. Its totient is φ = 122277296412928.

The previous prime is 122311112040529. The next prime is 122311112040587. The reversal of 122311112040553 is 355040211113221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52621139845849 + 69689972194704 = 7254043^2 + 8348052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122311112040553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122311112020553) 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, 16907808388 + ... + 16907815621.

It is an arithmetic number, because the mean of its divisors is an integer number (30586231917045).

Almost surely, 2^{122311112040553} is an apocalyptic number.

It is an amenable number.

122311112040553 is a deficient number, since it is larger than the sum of its proper divisors (33815627627).

122311112040553 is an equidigital number, since it uses as much as digits as its factorization.

122311112040553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33815627626.

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 122311112040553 its reverse (355040211113221), we get a palindrome (477351323153774).

The spelling of 122311112040553 in words is "one hundred twenty-two trillion, three hundred eleven billion, one hundred twelve million, forty thousand, five hundred fifty-three".