1001534652556 has 12 divisors (see below), whose sum is σ = 1752708609792. Its totient is φ = 500760764048.

The previous prime is 1001534652541. The next prime is 1001534652611. The reversal of 1001534652556 is 6552564351001.

It is a happy number.

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, 1288780 + ... + 1914163.

It is an arithmetic number, because the mean of its divisors is an integer number (146059050816).

Almost surely, 2^{1001534652556} is an apocalyptic number.

It is an amenable number.

1001534652556 is a deficient number, since it is larger than the sum of its proper divisors (751173957236).

1001534652556 is a wasteful number, since it uses less digits than its factorization.

1001534652556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281120 (or 3281118 counting only the distinct ones).

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 1001534652556 in words is "one trillion, one billion, five hundred thirty-four million, six hundred fifty-two thousand, five hundred fifty-six".