1257335742116 has 12 divisors (see below), whose sum is σ = 2201097091788. Its totient is φ = 628450858752.

The previous prime is 1257335742079. The next prime is 1257335742137. The reversal of 1257335742116 is 6112475337521.

It can be written as a sum of positive squares in 2 ways, for example, as 828729839716 + 428605902400 = 910346^2 + 654680^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54240041 + ... + 54263216.

It is an arithmetic number, because the mean of its divisors is an integer number (183424757649).

Almost surely, 2^{1257335742116} is an apocalyptic number.

It is an amenable number.

1257335742116 is a deficient number, since it is larger than the sum of its proper divisors (943761349672).

1257335742116 is a wasteful number, since it uses less digits than its factorization.

1257335742116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108506158 (or 108506156 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 47.

The spelling of 1257335742116 in words is "one trillion, two hundred fifty-seven billion, three hundred thirty-five million, seven hundred forty-two thousand, one hundred sixteen".