1351261535672 has 16 divisors (see below), whose sum is σ = 2620981427400. Its totient is φ = 652333155040.

The previous prime is 1351261535641. The next prime is 1351261535693. The reversal of 1351261535672 is 2765351621531.

It is a congruent number.

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, 2912201354 + ... + 2912201817.

Almost surely, 2^{1351261535672} is an apocalyptic number.

It is an amenable number.

1351261535672 is a deficient number, since it is larger than the sum of its proper divisors (1269719891728).

1351261535672 is a wasteful number, since it uses less digits than its factorization.

1351261535672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824403206 (or 5824403202 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 47.

The spelling of 1351261535672 in words is "one trillion, three hundred fifty-one billion, two hundred sixty-one million, five hundred thirty-five thousand, six hundred seventy-two".