601999575255 has 128 divisors (see below), whose sum is σ = 1162781706240. Its totient is φ = 293742858240.

The previous prime is 601999575253. The next prime is 601999575293. The reversal of 601999575255 is 552575999106.

601999575255 is a `hidden beast` number, since 6 + 0 + 1 + 9 + 9 + 9 + 575 + 2 + 55 = 666.

It is not a de Polignac number, because 601999575255 - 2¹ = 601999575253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 601999575192 and 601999575201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601999575251) 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 127 ways as a sum of consecutive naturals, for example, 354742567 + ... + 354744263.

It is an arithmetic number, because the mean of its divisors is an integer number (9084232080).

Almost surely, 2^601999575255 is an apocalyptic number.

601999575255 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

601999575255 is a deficient number, since it is larger than the sum of its proper divisors (560782130985).

601999575255 is a wasteful number, since it uses less digits than its factorization.

601999575255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3398 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 38272500, while the sum is 63.

The spelling of 601999575255 in words is "six hundred one billion, nine hundred ninety-nine million, five hundred seventy-five thousand, two hundred fifty-five".