3968253968255 has 32 divisors (see below), whose sum is σ = 5050407257280. Its totient is φ = 2982892953600.

The previous prime is 3968253968243. The next prime is 3968253968291. The reversal of 3968253968255 is 5528693528693.

It is not a de Polignac number, because 3968253968255 - 2²⁸ = 3967985532799 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 179946980 + ... + 179969030.

It is an arithmetic number, because the mean of its divisors is an integer number (157825226790).

Almost surely, 2^{3968253968255} is an apocalyptic number.

3968253968255 is a deficient number, since it is larger than the sum of its proper divisors (1082153289025).

3968253968255 is a wasteful number, since it uses less digits than its factorization.

3968253968255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25499.

The product of its digits is 839808000, while the sum is 71.

The spelling of 3968253968255 in words is "three trillion, nine hundred sixty-eight billion, two hundred fifty-three million, nine hundred sixty-eight thousand, two hundred fifty-five".