11434343021243 has 16 divisors (see below), whose sum is σ = 11737150387200. Its totient is φ = 11134023886656.

The previous prime is 11434343021239. The next prime is 11434343021287. The reversal of 11434343021243 is 34212034343411.

It is not a de Polignac number, because 11434343021243 - 2² = 11434343021239 is a prime.

It is a super-3 number, since 3×11434343021243³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11434343021293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162585455 + ... + 162655767.

It is an arithmetic number, because the mean of its divisors is an integer number (733571899200).

Almost surely, 2^{11434343021243} is an apocalyptic number.

11434343021243 is a deficient number, since it is larger than the sum of its proper divisors (302807365957).

11434343021243 is a wasteful number, since it uses less digits than its factorization.

11434343021243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87946.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 11434343021243 its reverse (34212034343411), we get a palindrome (45646377364654).

The spelling of 11434343021243 in words is "eleven trillion, four hundred thirty-four billion, three hundred forty-three million, twenty-one thousand, two hundred forty-three".