115813553163425 has 18 divisors (see below), whose sum is σ = 155505393401202. Its totient is φ = 85523854640640.

The previous prime is 115813553163409. The next prime is 115813553163463. The reversal of 115813553163425 is 524361355318511.

It can be written as a sum of positive squares in 9 ways, for example, as 105478569116176 + 10334984047249 = 10270276^2 + 3214807^2 .

It is not a de Polignac number, because 115813553163425 - 2⁴ = 115813553163409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13705741712 + ... + 13705750161.

It is an arithmetic number, because the mean of its divisors is an integer number (8639188522289).

Almost surely, 2^{115813553163425} is an apocalyptic number.

It is an amenable number.

115813553163425 is a deficient number, since it is larger than the sum of its proper divisors (39691840237777).

115813553163425 is a wasteful number, since it uses less digits than its factorization.

115813553163425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27411491909 (or 27411491891 counting only the distinct ones).

The product of its digits is 6480000, while the sum is 53.

The spelling of 115813553163425 in words is "one hundred fifteen trillion, eight hundred thirteen billion, five hundred fifty-three million, one hundred sixty-three thousand, four hundred twenty-five".