1351711663172 has 24 divisors (see below), whose sum is σ = 2548635640152. Its totient is φ = 623578176000.

The previous prime is 1351711663163. The next prime is 1351711663201. The reversal of 1351711663172 is 2713661171531.

It can be written as a sum of positive squares in 4 ways, for example, as 1249198336 + 1350462464836 = 35344^2 + 1162094^2 .

It is a super-2 number, since 2×1351711663172² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5902079 + ... + 6126822.

It is an arithmetic number, because the mean of its divisors is an integer number (106193151673).

Almost surely, 2^{1351711663172} is an apocalyptic number.

It is an amenable number.

1351711663172 is a deficient number, since it is larger than the sum of its proper divisors (1196923976980).

1351711663172 is a wasteful number, since it uses less digits than its factorization.

1351711663172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12031079 (or 12031077 counting only the distinct ones).

The product of its digits is 158760, while the sum is 44.

The spelling of 1351711663172 in words is "one trillion, three hundred fifty-one billion, seven hundred eleven million, six hundred sixty-three thousand, one hundred seventy-two".