122555225330155 has 16 divisors (see below), whose sum is σ = 148515428759040. Its totient is φ = 97078997001312.

The previous prime is 122555225330149. The next prime is 122555225330189. The reversal of 122555225330155 is 551033522555221.

It is a cyclic number.

It is not a de Polignac number, because 122555225330155 - 2¹⁵ = 122555225297387 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56580435 + ... + 58706524.

It is an arithmetic number, because the mean of its divisors is an integer number (9282214297440).

Almost surely, 2^{122555225330155} is an apocalyptic number.

122555225330155 is a deficient number, since it is larger than the sum of its proper divisors (25960203428885).

122555225330155 is a wasteful number, since it uses less digits than its factorization.

122555225330155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115289058.

The product of its (nonzero) digits is 2250000, while the sum is 46.

Adding to 122555225330155 its reverse (551033522555221), we get a palindrome (673588747885376).

The spelling of 122555225330155 in words is "one hundred twenty-two trillion, five hundred fifty-five billion, two hundred twenty-five million, three hundred thirty thousand, one hundred fifty-five".