1142404242311 has 4 divisors (see below), whose sum is σ = 1202530781400. Its totient is φ = 1082277703224.

The previous prime is 1142404242283. The next prime is 1142404242313. The reversal of 1142404242311 is 1132424042411.

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 1142404242311 - 2¹⁰ = 1142404241287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142404242313) 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, 30063269516 + ... + 30063269553.

It is an arithmetic number, because the mean of its divisors is an integer number (300632695350).

Almost surely, 2^{1142404242311} is an apocalyptic number.

1142404242311 is a deficient number, since it is larger than the sum of its proper divisors (60126539089).

1142404242311 is an equidigital number, since it uses as much as digits as its factorization.

1142404242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60126539088.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 1142404242311 its reverse (1132424042411), we get a palindrome (2274828284722).

The spelling of 1142404242311 in words is "one trillion, one hundred forty-two billion, four hundred four million, two hundred forty-two thousand, three hundred eleven".