1255000533763 has 4 divisors (see below), whose sum is σ = 1263311795728. Its totient is φ = 1246689271800.

The previous prime is 1255000533739. The next prime is 1255000533767. The reversal of 1255000533763 is 3673350005521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255000533763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255000533767) 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 3 ways as a sum of consecutive naturals, for example, 4155630756 + ... + 4155631057.

It is an arithmetic number, because the mean of its divisors is an integer number (315827948932).

Almost surely, 2^{1255000533763} is an apocalyptic number.

1255000533763 is a deficient number, since it is larger than the sum of its proper divisors (8311261965).

1255000533763 is an equidigital number, since it uses as much as digits as its factorization.

1255000533763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8311261964.

The product of its (nonzero) digits is 283500, while the sum is 40.

The spelling of 1255000533763 in words is "one trillion, two hundred fifty-five billion, five hundred thirty-three thousand, seven hundred sixty-three".