122345015454555 has 64 divisors (see below), whose sum is σ = 198120838809600. Its totient is φ = 64462348431360.

The previous prime is 122345015454533. The next prime is 122345015454587. The reversal of 122345015454555 is 555454510543221.

It is not a de Polignac number, because 122345015454555 - 2⁵ = 122345015454523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122345015454498 and 122345015454507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12409470216 + ... + 12409480074.

It is an arithmetic number, because the mean of its divisors is an integer number (3095638106400).

Almost surely, 2^{122345015454555} is an apocalyptic number.

122345015454555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122345015454555 is a deficient number, since it is larger than the sum of its proper divisors (75775823355045).

122345015454555 is a wasteful number, since it uses less digits than its factorization.

122345015454555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16964.

The product of its (nonzero) digits is 12000000, while the sum is 51.

Adding to 122345015454555 its reverse (555454510543221), we get a palindrome (677799525997776).

The spelling of 122345015454555 in words is "one hundred twenty-two trillion, three hundred forty-five billion, fifteen million, four hundred fifty-four thousand, five hundred fifty-five".