1351509454472 has 16 divisors (see below), whose sum is σ = 2534101986240. Its totient is φ = 675748924816.

The previous prime is 1351509454457. The next prime is 1351509454481. The reversal of 1351509454472 is 2744549051531.

It is a self number, because there is not a number n which added to its sum of digits gives 1351509454472.

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, 360173 + ... + 1683075.

It is an arithmetic number, because the mean of its divisors is an integer number (158381374140).

Almost surely, 2^{1351509454472} is an apocalyptic number.

It is an amenable number.

1351509454472 is a deficient number, since it is larger than the sum of its proper divisors (1182592531768).

1351509454472 is a wasteful number, since it uses less digits than its factorization.

1351509454472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450612 (or 1450608 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 50.

The spelling of 1351509454472 in words is "one trillion, three hundred fifty-one billion, five hundred nine million, four hundred fifty-four thousand, four hundred seventy-two".