11500343232431 has 8 divisors (see below), whose sum is σ = 12218444814720. Its totient is φ = 10803677518368.

The previous prime is 11500343232401. The next prime is 11500343232437. The reversal of 11500343232431 is 13423234300511.

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 11500343232431 - 2³⁰ = 11499269490607 is a prime.

It is a super-2 number, since 2×11500343232431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11500343232437) 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, 5358965951 + ... + 5358968096.

It is an arithmetic number, because the mean of its divisors is an integer number (1527305601840).

Almost surely, 2^{11500343232431} is an apocalyptic number.

11500343232431 is a deficient number, since it is larger than the sum of its proper divisors (718101582289).

11500343232431 is a wasteful number, since it uses less digits than its factorization.

11500343232431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10717934113.

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 11500343232431 its reverse (13423234300511), we get a palindrome (24923577532942).

The spelling of 11500343232431 in words is "eleven trillion, five hundred billion, three hundred forty-three million, two hundred thirty-two thousand, four hundred thirty-one".