355220400023255 has 16 divisors (see below), whose sum is σ = 459084259603200. Its totient is φ = 262299343557888.

The previous prime is 355220400023243. The next prime is 355220400023267. The reversal of 355220400023255 is 552320004022553.

It is an interprime number because it is at equal distance from previous prime (355220400023243) and next prime (355220400023267).

It is not a de Polignac number, because 355220400023255 - 2¹⁰ = 355220400022231 is a prime.

It is a congruent number.

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, 178791302 + ... + 180767171.

It is an arithmetic number, because the mean of its divisors is an integer number (28692766225200).

Almost surely, 2^{355220400023255} is an apocalyptic number.

355220400023255 is a deficient number, since it is larger than the sum of its proper divisors (103863859579945).

355220400023255 is a wasteful number, since it uses less digits than its factorization.

355220400023255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359573690.

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 355220400023255 in words is "three hundred fifty-five trillion, two hundred twenty billion, four hundred million, twenty-three thousand, two hundred fifty-five".