1152501201556 has 6 divisors (see below), whose sum is σ = 2016877102730. Its totient is φ = 576250600776.

The previous prime is 1152501201541. The next prime is 1152501201583. The reversal of 1152501201556 is 6551021052511.

It can be written as a sum of positive squares in only one way, i.e., 1150427856400 + 2073345156 = 1072580^2 + 45534^2 .

It is a super-2 number, since 2×1152501201556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144062650191 + ... + 144062650198.

Almost surely, 2^{1152501201556} is an apocalyptic number.

It is an amenable number.

1152501201556 is a deficient number, since it is larger than the sum of its proper divisors (864375901174).

1152501201556 is a wasteful number, since it uses less digits than its factorization.

1152501201556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288125300393 (or 288125300391 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 1152501201556 in words is "one trillion, one hundred fifty-two billion, five hundred one million, two hundred one thousand, five hundred fifty-six".