1245642005336 has 32 divisors (see below), whose sum is σ = 2458599596400. Its totient is φ = 590017996800.

The previous prime is 1245642005327. The next prime is 1245642005351. The reversal of 1245642005336 is 6335002465421.

It is a junction number, because it is equal to n+sod(n) for n = 1245642005293 and 1245642005302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4141256 + ... + 4431848.

Almost surely, 2^{1245642005336} is an apocalyptic number.

It is an amenable number.

1245642005336 is a deficient number, since it is larger than the sum of its proper divisors (1212957591064).

1245642005336 is a wasteful number, since it uses less digits than its factorization.

1245642005336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318819 (or 318815 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 1245642005336 in words is "one trillion, two hundred forty-five billion, six hundred forty-two million, five thousand, three hundred thirty-six".