115155442200051 has 24 divisors (see below), whose sum is σ = 181775965728240. Its totient is φ = 69668521209600.

The previous prime is 115155442200023. The next prime is 115155442200101. The reversal of 115155442200051 is 150002244551511.

115155442200051 is a `hidden beast` number, since 1 + 1 + 5 + 1 + 5 + 5 + 442 + 200 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 115155442200051 - 2¹⁰ = 115155442199027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115155442199979 and 115155442200015.

It is not an unprimeable number, because it can be changed into a prime (115165442200051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1022075730 + ... + 1022188391.

It is an arithmetic number, because the mean of its divisors is an integer number (7573998572010).

Almost surely, 2^{115155442200051} is an apocalyptic number.

115155442200051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115155442200051 is a deficient number, since it is larger than the sum of its proper divisors (66620523528189).

115155442200051 is a wasteful number, since it uses less digits than its factorization.

115155442200051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044264707 (or 2044264704 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 36.

Adding to 115155442200051 its reverse (150002244551511), we get a palindrome (265157686751562).

The spelling of 115155442200051 in words is "one hundred fifteen trillion, one hundred fifty-five billion, four hundred forty-two million, two hundred thousand, fifty-one".