115551403031455 has 8 divisors (see below), whose sum is σ = 138663159781104. Its totient is φ = 92440138329600.

The previous prime is 115551403031437. The next prime is 115551403031501. The reversal of 115551403031455 is 554130304155511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-115551403031455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122495106 + ... + 123434815.

It is an arithmetic number, because the mean of its divisors is an integer number (17332894972638).

Almost surely, 2^{115551403031455} is an apocalyptic number.

115551403031455 is a deficient number, since it is larger than the sum of its proper divisors (23111756749649).

115551403031455 is an equidigital number, since it uses as much as digits as its factorization.

115551403031455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246023897.

The product of its (nonzero) digits is 450000, while the sum is 43.

Adding to 115551403031455 its reverse (554130304155511), we get a palindrome (669681707186966).

The spelling of 115551403031455 in words is "one hundred fifteen trillion, five hundred fifty-one billion, four hundred three million, thirty-one thousand, four hundred fifty-five".