1153112770565 has 48 divisors (see below), whose sum is σ = 1614905154432. Its totient is φ = 788129467776.

The previous prime is 1153112770553. The next prime is 1153112770571. The reversal of 1153112770565 is 5650772113511.

It is a happy number.

It is not a de Polignac number, because 1153112770565 - 2¹⁰ = 1153112769541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 97163762 + ... + 97175628.

It is an arithmetic number, because the mean of its divisors is an integer number (33643857384).

Almost surely, 2^{1153112770565} is an apocalyptic number.

It is an amenable number.

1153112770565 is a deficient number, since it is larger than the sum of its proper divisors (461792383867).

1153112770565 is a wasteful number, since it uses less digits than its factorization.

1153112770565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13146 (or 13139 counting only the distinct ones).

The product of its (nonzero) digits is 220500, while the sum is 44.

The spelling of 1153112770565 in words is "one trillion, one hundred fifty-three billion, one hundred twelve million, seven hundred seventy thousand, five hundred sixty-five".