1133468487281 has 4 divisors (see below), whose sum is σ = 1220658370932. Its totient is φ = 1046278603632.

The previous prime is 1133468487257. The next prime is 1133468487341. The reversal of 1133468487281 is 1827848643311.

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 175841842225 + 957626645056 = 419335^2 + 978584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133468487281 is a prime.

It is a super-2 number, since 2×1133468487281² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1133468487581) 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, 43594941806 + ... + 43594941831.

It is an arithmetic number, because the mean of its divisors is an integer number (305164592733).

Almost surely, 2^{1133468487281} is an apocalyptic number.

It is an amenable number.

1133468487281 is a deficient number, since it is larger than the sum of its proper divisors (87189883651).

1133468487281 is an equidigital number, since it uses as much as digits as its factorization.

1133468487281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87189883650.

The product of its digits is 6193152, while the sum is 56.

The spelling of 1133468487281 in words is "one trillion, one hundred thirty-three billion, four hundred sixty-eight million, four hundred eighty-seven thousand, two hundred eighty-one".