255550133146 has 16 divisors (see below), whose sum is σ = 477911937600. Its totient is φ = 99564986880.

The previous prime is 255550133117. The next prime is 255550133147. The reversal of 255550133146 is 641331055552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255550133099 and 255550133108.

It is not an unprimeable number, because it can be changed into a prime (255550133147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 829708071 + ... + 829708378.

It is an arithmetic number, because the mean of its divisors is an integer number (29869496100).

Almost surely, 2^255550133146 is an apocalyptic number.

255550133146 is a deficient number, since it is larger than the sum of its proper divisors (222361804454).

255550133146 is a wasteful number, since it uses less digits than its factorization.

255550133146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1659416469.

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 255550133146 its reverse (641331055552), we get a palindrome (896881188698).

The spelling of 255550133146 in words is "two hundred fifty-five billion, five hundred fifty million, one hundred thirty-three thousand, one hundred forty-six".