1151305341121 has 4 divisors (see below), whose sum is σ = 1239867290452. Its totient is φ = 1062743391792.

The previous prime is 1151305341059. The next prime is 1151305341143. The reversal of 1151305341121 is 1211435031511.

It is a happy number.

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 89302954896 + 1062002386225 = 298836^2 + 1030535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1151305341121 - 2¹³ = 1151305332929 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 1151305341121.

It is not an unprimeable number, because it can be changed into a prime (1151305345121) 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, 44280974646 + ... + 44280974671.

It is an arithmetic number, because the mean of its divisors is an integer number (309966822613).

Almost surely, 2^{1151305341121} is an apocalyptic number.

It is an amenable number.

1151305341121 is a deficient number, since it is larger than the sum of its proper divisors (88561949331).

1151305341121 is an equidigital number, since it uses as much as digits as its factorization.

1151305341121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88561949330.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 1151305341121 in words is "one trillion, one hundred fifty-one billion, three hundred five million, three hundred forty-one thousand, one hundred twenty-one".