115230322551555 has 24 divisors (see below), whose sum is σ = 199734255807840. Its totient is φ = 61455649960320.

The previous prime is 115230322551497. The next prime is 115230322551559. The reversal of 115230322551555 is 555155223032511.

115230322551555 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 30 + 32 + 25 + 515 + 55 = 666.

It is not a de Polignac number, because 115230322551555 - 2²⁰ = 115230321502979 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 115230322551555.

It is not an unprimeable number, because it can be changed into a prime (115230322551559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5490975 + ... + 16143464.

It is an arithmetic number, because the mean of its divisors is an integer number (8322260658660).

Almost surely, 2^{115230322551555} is an apocalyptic number.

115230322551555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115230322551555 is a deficient number, since it is larger than the sum of its proper divisors (84503933256285).

115230322551555 is a wasteful number, since it uses less digits than its factorization.

115230322551555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21752811 (or 21752808 counting only the distinct ones).

The product of its (nonzero) digits is 1125000, while the sum is 45.

The spelling of 115230322551555 in words is "one hundred fifteen trillion, two hundred thirty billion, three hundred twenty-two million, five hundred fifty-one thousand, five hundred fifty-five".