1351363506605 has 32 divisors (see below), whose sum is σ = 1869985958400. Its totient is φ = 918308063232.

The previous prime is 1351363506583. The next prime is 1351363506637. The reversal of 1351363506605 is 5066053631531.

It is not a de Polignac number, because 1351363506605 - 2³⁶ = 1282644029869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30189881 + ... + 30234609.

It is an arithmetic number, because the mean of its divisors is an integer number (58437061200).

Almost surely, 2^{1351363506605} is an apocalyptic number.

It is an amenable number.

1351363506605 is a deficient number, since it is larger than the sum of its proper divisors (518622451795).

1351363506605 is a wasteful number, since it uses less digits than its factorization.

1351363506605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52493.

The product of its (nonzero) digits is 729000, while the sum is 44.

The spelling of 1351363506605 in words is "one trillion, three hundred fifty-one billion, three hundred sixty-three million, five hundred six thousand, six hundred five".