1135373360521 has 9 divisors (see below), whose sum is σ = 1198296298983. Its totient is φ = 1075597688160.

The previous prime is 1135373360507. The next prime is 1135373360549. The reversal of 1135373360521 is 1250633735311.

The square root of 1135373360521 is 1065539.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 102873506121 + 1032499854400 = 320739^2 + 1016120^2 .

It is not a de Polignac number, because 1135373360521 - 2¹³ = 1135373352329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1135373360591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 20217201 + ... + 20273281.

Almost surely, 2^{1135373360521} is an apocalyptic number.

1135373360521 is the 1065539-th square number.

1135373360521 is the 532770-th centered octagonal number.

It is an amenable number.

1135373360521 is a deficient number, since it is larger than the sum of its proper divisors (62922938462).

1135373360521 is an frugal number, since it uses more digits than its factorization.

1135373360521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112200 (or 56100 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 40.

The spelling of 1135373360521 in words is "one trillion, one hundred thirty-five billion, three hundred seventy-three million, three hundred sixty thousand, five hundred twenty-one".