1365564043652 has 24 divisors (see below), whose sum is σ = 2494210963776. Its totient is φ = 652945965408.

The previous prime is 1365564043643. The next prime is 1365564043661. The reversal of 1365564043652 is 2563404655631.

It is an interprime number because it is at equal distance from previous prime (1365564043643) and next prime (1365564043661).

It is a super-2 number, since 2×1365564043652² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1365564043652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299623 + ... + 2102414.

It is an arithmetic number, because the mean of its divisors is an integer number (103925456824).

Almost surely, 2^{1365564043652} is an apocalyptic number.

It is an amenable number.

1365564043652 is a deficient number, since it is larger than the sum of its proper divisors (1128646920124).

1365564043652 is a wasteful number, since it uses less digits than its factorization.

1365564043652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3406427 (or 3406425 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 50.

The spelling of 1365564043652 in words is "one trillion, three hundred sixty-five billion, five hundred sixty-four million, forty-three thousand, six hundred fifty-two".