1271718385052 has 48 divisors (see below), whose sum is σ = 2299943339232. Its totient is φ = 614916126720.

The previous prime is 1271718385027. The next prime is 1271718385079. The reversal of 1271718385052 is 2505838171721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7082528 + ... + 7259864.

It is an arithmetic number, because the mean of its divisors is an integer number (47915486234).

Almost surely, 2^{1271718385052} is an apocalyptic number.

It is an amenable number.

1271718385052 is a deficient number, since it is larger than the sum of its proper divisors (1028224954180).

1271718385052 is a wasteful number, since it uses less digits than its factorization.

1271718385052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177798 (or 177796 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 50.

The spelling of 1271718385052 in words is "one trillion, two hundred seventy-one billion, seven hundred eighteen million, three hundred eighty-five thousand, fifty-two".