255215351601 has 12 divisors (see below), whose sum is σ = 421307882112. Its totient is φ = 145837343736.

The previous prime is 255215351579. The next prime is 255215351617. The reversal of 255215351601 is 106153512552.

255215351601 is a `hidden beast` number, since 2 + 5 + 5 + 2 + 15 + 35 + 1 + 601 = 666.

255215351601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255215351601 - 2⁷ = 255215351473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255215351201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2025518601 + ... + 2025518726.

It is an arithmetic number, because the mean of its divisors is an integer number (35108990176).

Almost surely, 2^255215351601 is an apocalyptic number.

255215351601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

255215351601 is a deficient number, since it is larger than the sum of its proper divisors (166092530511).

255215351601 is a wasteful number, since it uses less digits than its factorization.

255215351601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4051037340 (or 4051037337 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The spelling of 255215351601 in words is "two hundred fifty-five billion, two hundred fifteen million, three hundred fifty-one thousand, six hundred one".