255552778005 has 32 divisors (see below), whose sum is σ = 467337842688. Its totient is φ = 116813793600.

The previous prime is 255552777979. The next prime is 255552778007. The reversal of 255552778005 is 500877255552.

It is not a de Polignac number, because 255552778005 - 2⁶ = 255552777941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255552778007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1155300 + ... + 1358610.

It is an arithmetic number, because the mean of its divisors is an integer number (14604307584).

Almost surely, 2^255552778005 is an apocalyptic number.

It is an amenable number.

255552778005 is a deficient number, since it is larger than the sum of its proper divisors (211785064683).

255552778005 is a wasteful number, since it uses less digits than its factorization.

255552778005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215297.

The product of its (nonzero) digits is 4900000, while the sum is 51.

The spelling of 255552778005 in words is "two hundred fifty-five billion, five hundred fifty-two million, seven hundred seventy-eight thousand, five".