263778854400001 has 16 divisors (see below), whose sum is σ = 270668717726400. Its totient is φ = 256992819164928.

The previous prime is 263778854399989. The next prime is 263778854400041. The reversal of 263778854400001 is 100004458877362.

It is a cyclic number.

It is not a de Polignac number, because 263778854400001 - 2¹⁵ = 263778854367233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (263778854400041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44309196 + ... + 49908541.

It is an arithmetic number, because the mean of its divisors is an integer number (16916794857900).

Almost surely, 2^{263778854400001} is an apocalyptic number.

It is an amenable number.

263778854400001 is a deficient number, since it is larger than the sum of its proper divisors (6889863326399).

263778854400001 is an equidigital number, since it uses as much as digits as its factorization.

263778854400001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94218288.

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 263778854400001 in words is "two hundred sixty-three trillion, seven hundred seventy-eight billion, eight hundred fifty-four million, four hundred thousand, one".