1255102770256 has 40 divisors (see below), whose sum is σ = 2477164360064. Its totient is φ = 615903678720.

The previous prime is 1255102770239. The next prime is 1255102770263. The reversal of 1255102770256 is 6520772015521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869645 + ... + 2450668.

Almost surely, 2^{1255102770256} is an apocalyptic number.

1255102770256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1255102770256 is a deficient number, since it is larger than the sum of its proper divisors (1222061589808).

1255102770256 is a wasteful number, since it uses less digits than its factorization.

1255102770256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320659 (or 4320653 counting only the distinct ones).

The product of its (nonzero) digits is 294000, while the sum is 43.

Adding to 1255102770256 its reverse (6520772015521), we get a palindrome (7775874785777).

The spelling of 1255102770256 in words is "one trillion, two hundred fifty-five billion, one hundred two million, seven hundred seventy thousand, two hundred fifty-six".