1156255275652 has 6 divisors (see below), whose sum is σ = 2023446732398. Its totient is φ = 578127637824.

The previous prime is 1156255275631. The next prime is 1156255275671. The reversal of 1156255275652 is 2565725526511.

It can be written as a sum of positive squares in only one way, i.e., 684431908416 + 471823367236 = 827304^2 + 686894^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1156255275652.

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, 144531909453 + ... + 144531909460.

Almost surely, 2^{1156255275652} is an apocalyptic number.

It is an amenable number.

1156255275652 is a deficient number, since it is larger than the sum of its proper divisors (867191456746).

1156255275652 is a wasteful number, since it uses less digits than its factorization.

1156255275652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289063818917 (or 289063818915 counting only the distinct ones).

The product of its digits is 6300000, while the sum is 52.

The spelling of 1156255275652 in words is "one trillion, one hundred fifty-six billion, two hundred fifty-five million, two hundred seventy-five thousand, six hundred fifty-two".