1131242302541 has 8 divisors (see below), whose sum is σ = 1231949267640. Its totient is φ = 1032490812672.

The previous prime is 1131242302523. The next prime is 1131242302577. The reversal of 1131242302541 is 1452032421311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27385285225 + 1103857017316 = 165485^2 + 1050646^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131242302541 - 2¹⁰ = 1131242301517 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131242302741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 488867600 + ... + 488869913.

It is an arithmetic number, because the mean of its divisors is an integer number (153993658455).

Almost surely, 2^{1131242302541} is an apocalyptic number.

It is an amenable number.

1131242302541 is a deficient number, since it is larger than the sum of its proper divisors (100706965099).

1131242302541 is an equidigital number, since it uses as much as digits as its factorization.

1131242302541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 977737615.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 1131242302541 its reverse (1452032421311), we get a palindrome (2583274723852).

The spelling of 1131242302541 in words is "one trillion, one hundred thirty-one billion, two hundred forty-two million, three hundred two thousand, five hundred forty-one".