255563201146387 has 4 divisors (see below), whose sum is σ = 255603002305456. Its totient is φ = 255523399987320.

The previous prime is 255563201146333. The next prime is 255563201146457. The reversal of 255563201146387 is 783641102365552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255563201146387 - 2⁷ = 255563201146259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255563201143387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19900569903 + ... + 19900582744.

It is an arithmetic number, because the mean of its divisors is an integer number (63900750576364).

Almost surely, 2^{255563201146387} is an apocalyptic number.

255563201146387 is a deficient number, since it is larger than the sum of its proper divisors (39801159069).

255563201146387 is an equidigital number, since it uses as much as digits as its factorization.

255563201146387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39801159068.

The product of its (nonzero) digits is 36288000, while the sum is 58.

The spelling of 255563201146387 in words is "two hundred fifty-five trillion, five hundred sixty-three billion, two hundred one million, one hundred forty-six thousand, three hundred eighty-seven".