1131240641411 has 4 divisors (see below), whose sum is σ = 1131625551000. Its totient is φ = 1130855731824.

The previous prime is 1131240641389. The next prime is 1131240641429. The reversal of 1131240641411 is 1141460421311.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1131240641411 - 2¹⁴ = 1131240625027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1131240641441) 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, 192450386 + ... + 192456263.

It is an arithmetic number, because the mean of its divisors is an integer number (282906387750).

Almost surely, 2^{1131240641411} is an apocalyptic number.

1131240641411 is a deficient number, since it is larger than the sum of its proper divisors (384909589).

1131240641411 is an equidigital number, since it uses as much as digits as its factorization.

1131240641411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384909588.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 1131240641411 in words is "one trillion, one hundred thirty-one billion, two hundred forty million, six hundred forty-one thousand, four hundred eleven".