1313563562542 has 32 divisors (see below), whose sum is σ = 2462234194944. Its totient is φ = 510590565600.

The previous prime is 1313563562513. The next prime is 1313563562567. The reversal of 1313563562542 is 2452653653131.

It is a junction number, because it is equal to n+sod(n) for n = 1313563562492 and 1313563562501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9828793 + ... + 9961540.

It is an arithmetic number, because the mean of its divisors is an integer number (76944818592).

Almost surely, 2^{1313563562542} is an apocalyptic number.

1313563562542 is a deficient number, since it is larger than the sum of its proper divisors (1148670632402).

1313563562542 is a wasteful number, since it uses less digits than its factorization.

1313563562542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19790784.

The product of its digits is 1944000, while the sum is 46.

The spelling of 1313563562542 in words is "one trillion, three hundred thirteen billion, five hundred sixty-three million, five hundred sixty-two thousand, five hundred forty-two".