1255355555858 has 8 divisors (see below), whose sum is σ = 1883188441728. Its totient is φ = 627626075284.

The previous prime is 1255355555851. The next prime is 1255355555891. The reversal of 1255355555858 is 8585555535521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1255355555858.

It is not an unprimeable number, because it can be changed into a prime (1255355555851) 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, 25820966 + ... + 25869537.

It is an arithmetic number, because the mean of its divisors is an integer number (235398555216).

Almost surely, 2^{1255355555858} is an apocalyptic number.

1255355555858 is a deficient number, since it is larger than the sum of its proper divisors (627832885870).

1255355555858 is a wasteful number, since it uses less digits than its factorization.

1255355555858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51702648.

The product of its digits is 150000000, while the sum is 62.

The spelling of 1255355555858 in words is "one trillion, two hundred fifty-five billion, three hundred fifty-five million, five hundred fifty-five thousand, eight hundred fifty-eight".