115510115661445 has 8 divisors (see below), whose sum is σ = 145907514519840. Its totient is φ = 87544508711760.

The previous prime is 115510115661383. The next prime is 115510115661461. The reversal of 115510115661445 is 544166511015511.

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

It is not a de Polignac number, because 115510115661445 - 2¹⁷ = 115510115530373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115510115661395 and 115510115661404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 607947977071 + ... + 607947977260.

It is an arithmetic number, because the mean of its divisors is an integer number (18238439314980).

Almost surely, 2^{115510115661445} is an apocalyptic number.

It is an amenable number.

115510115661445 is a deficient number, since it is larger than the sum of its proper divisors (30397398858395).

115510115661445 is a wasteful number, since it uses less digits than its factorization.

115510115661445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215895954355.

The product of its (nonzero) digits is 360000, while the sum is 46.

Adding to 115510115661445 its reverse (544166511015511), we get a palindrome (659676626676956).

The spelling of 115510115661445 in words is "one hundred fifteen trillion, five hundred ten billion, one hundred fifteen million, six hundred sixty-one thousand, four hundred forty-five".