1120340515321 has 4 divisors (see below), whose sum is σ = 1120351137444. Its totient is φ = 1120329893200.

The previous prime is 1120340515303. The next prime is 1120340515361. The reversal of 1120340515321 is 1235150430211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 379727088400 + 740613426921 = 616220^2 + 860589^2 .

It is a cyclic number.

It is not a de Polignac number, because 1120340515321 - 2¹¹ = 1120340513273 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120340515321.

It is not an unprimeable number, because it can be changed into a prime (1120340515361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5151250 + ... + 5364331.

It is an arithmetic number, because the mean of its divisors is an integer number (280087784361).

Almost surely, 2^{1120340515321} is an apocalyptic number.

It is an amenable number.

1120340515321 is a deficient number, since it is larger than the sum of its proper divisors (10622123).

1120340515321 is a wasteful number, since it uses less digits than its factorization.

1120340515321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10622122.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 1120340515321 its reverse (1235150430211), we get a palindrome (2355490945532).

The spelling of 1120340515321 in words is "one trillion, one hundred twenty billion, three hundred forty million, five hundred fifteen thousand, three hundred twenty-one".