115225501143321 has 12 divisors (see below), whose sum is σ = 167553860724900. Its totient is φ = 76301450420640.

The previous prime is 115225501143289. The next prime is 115225501143329. The reversal of 115225501143321 is 123341105522511.

115225501143321 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 2 + 5 + 501 + 143 + 3 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 43957377361296 + 71268123782025 = 6630036^2 + 8442045^2 .

It is not a de Polignac number, because 115225501143321 - 2⁵ = 115225501143289 is a prime.

It is a super-2 number, since 2×115225501143321² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115225501143329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42962527050 + ... + 42962529731.

It is an arithmetic number, because the mean of its divisors is an integer number (13962821727075).

Almost surely, 2^{115225501143321} is an apocalyptic number.

It is an amenable number.

115225501143321 is a deficient number, since it is larger than the sum of its proper divisors (52328359581579).

115225501143321 is a wasteful number, since it uses less digits than its factorization.

115225501143321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85925056936 (or 85925056933 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 115225501143321 its reverse (123341105522511), we get a palindrome (238566606665832).

The spelling of 115225501143321 in words is "one hundred fifteen trillion, two hundred twenty-five billion, five hundred one million, one hundred forty-three thousand, three hundred twenty-one".