1316255577 has 32 divisors (see below), whose sum is σ = 2187386880. Its totient is φ = 685488960.

The previous prime is 1316255573. The next prime is 1316255579. The reversal of 1316255577 is 7755526131.

It is not a de Polignac number, because 1316255577 - 2² = 1316255573 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1316255573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8949 + ... + 52082.

It is an arithmetic number, because the mean of its divisors is an integer number (68355840).

Almost surely, 2^1316255577 is an apocalyptic number.

It is an amenable number.

1316255577 is a deficient number, since it is larger than the sum of its proper divisors (871131303).

1316255577 is a wasteful number, since it uses less digits than its factorization.

1316255577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61133.

The product of its digits is 220500, while the sum is 42.

The square root of 1316255577 is about 36280.2367274526. The cubic root of 1316255577 is about 1095.9230839273.

The spelling of 1316255577 in words is "one billion, three hundred sixteen million, two hundred fifty-five thousand, five hundred seventy-seven".