115243403255431 has 8 divisors (see below), whose sum is σ = 125906881749264. Its totient is φ = 104611059006720.

The previous prime is 115243403255417. The next prime is 115243403255443. The reversal of 115243403255431 is 134552304342511.

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 115243403255431 - 2¹⁷ = 115243403124359 is a prime.

It is a super-2 number, since 2×115243403255431² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115243403255231) 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, 7783553536 + ... + 7783568341.

It is an arithmetic number, because the mean of its divisors is an integer number (15738360218658).

Almost surely, 2^{115243403255431} is an apocalyptic number.

115243403255431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115243403255431 is a deficient number, since it is larger than the sum of its proper divisors (10663478493833).

115243403255431 is a wasteful number, since it uses less digits than its factorization.

115243403255431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15567122561.

The product of its (nonzero) digits is 864000, while the sum is 43.

Adding to 115243403255431 its reverse (134552304342511), we get a palindrome (249795707597942).

The spelling of 115243403255431 in words is "one hundred fifteen trillion, two hundred forty-three billion, four hundred three million, two hundred fifty-five thousand, four hundred thirty-one".