1135243240355 has 12 divisors (see below), whose sum is σ = 1584706890960. Its totient is φ = 778452507504.

The previous prime is 1135243240331. The next prime is 1135243240379. The reversal of 1135243240355 is 5530423425311.

It is an interprime number because it is at equal distance from previous prime (1135243240331) and next prime (1135243240379).

It is not a de Polignac number, because 1135243240355 - 2¹⁰ = 1135243239331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2316822695 + ... + 2316823184.

It is an arithmetic number, because the mean of its divisors is an integer number (132058907580).

Almost surely, 2^{1135243240355} is an apocalyptic number.

1135243240355 is a deficient number, since it is larger than the sum of its proper divisors (449463650605).

1135243240355 is an equidigital number, since it uses as much as digits as its factorization.

1135243240355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633645898 (or 4633645891 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 38.

Adding to 1135243240355 its reverse (5530423425311), we get a palindrome (6665666665666).

The spelling of 1135243240355 in words is "one trillion, one hundred thirty-five billion, two hundred forty-three million, two hundred forty thousand, three hundred fifty-five".