122555803365 has 48 divisors (see below), whose sum is σ = 223035321600. Its totient is φ = 62167222656.

The previous prime is 122555803361. The next prime is 122555803429. The reversal of 122555803365 is 563308555221.

122555803365 is a `hidden beast` number, since 1 + 2 + 2 + 5 + 5 + 580 + 3 + 3 + 65 = 666.

It is not a de Polignac number, because 122555803365 - 2² = 122555803361 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 122555803365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122555803361) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 613405 + ... + 788274.

It is an arithmetic number, because the mean of its divisors is an integer number (4646569200).

Almost surely, 2^122555803365 is an apocalyptic number.

122555803365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122555803365 is a deficient number, since it is larger than the sum of its proper divisors (100479518235).

122555803365 is a wasteful number, since it uses less digits than its factorization.

122555803365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1401786 (or 1401783 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 122555803365 in words is "one hundred twenty-two billion, five hundred fifty-five million, eight hundred three thousand, three hundred sixty-five".