1255311716 has 6 divisors (see below), whose sum is σ = 2196795510. Its totient is φ = 627655856.

The previous prime is 1255311709. The next prime is 1255311749. The reversal of 1255311716 is 6171135521.

It can be written as a sum of positive squares in only one way, i.e., 1235241316 + 20070400 = 35146^2 + 4480^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156913961 + ... + 156913968.

It is an arithmetic number, because the mean of its divisors is an integer number (366132585).

Almost surely, 2^1255311716 is an apocalyptic number.

It is an amenable number.

1255311716 is a deficient number, since it is larger than the sum of its proper divisors (941483794).

1255311716 is a wasteful number, since it uses less digits than its factorization.

1255311716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313827933 (or 313827931 counting only the distinct ones).

The product of its digits is 6300, while the sum is 32.

The square root of 1255311716 is about 35430.3784343323. The cubic root of 1255311716 is about 1078.7410215217.

The spelling of 1255311716 in words is "one billion, two hundred fifty-five million, three hundred eleven thousand, seven hundred sixteen".