11434203412431 has 16 divisors (see below), whose sum is σ = 15537047875200. Its totient is φ = 7477150805280.

The previous prime is 11434203412421. The next prime is 11434203412483. The reversal of 11434203412431 is 13421430243411.

It is a happy number.

It is not a de Polignac number, because 11434203412431 - 2⁵ = 11434203412399 is a prime.

It is a super-2 number, since 2×11434203412431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11434203412392 and 11434203412401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11434203412421) 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, 8120305 + ... + 9423786.

It is an arithmetic number, because the mean of its divisors is an integer number (971065492200).

Almost surely, 2^{11434203412431} is an apocalyptic number.

11434203412431 is a deficient number, since it is larger than the sum of its proper divisors (4102844462769).

11434203412431 is a wasteful number, since it uses less digits than its factorization.

11434203412431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17548246.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 11434203412431 its reverse (13421430243411), we get a palindrome (24855633655842).

The spelling of 11434203412431 in words is "eleven trillion, four hundred thirty-four billion, two hundred three million, four hundred twelve thousand, four hundred thirty-one".