181035148007 has 16 divisors (see below), whose sum is σ = 210568960512. Its totient is φ = 152435031840.

The previous prime is 181035147991. The next prime is 181035148013. The reversal of 181035148007 is 700841530181.

It is a happy number.

It is not a de Polignac number, because 181035148007 - 2⁴ = 181035147991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181035148027) 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 15 ways as a sum of consecutive naturals, for example, 519833 + ... + 795170.

It is an arithmetic number, because the mean of its divisors is an integer number (13160560032).

Almost surely, 2^181035148007 is an apocalyptic number.

181035148007 is a deficient number, since it is larger than the sum of its proper divisors (29533812505).

181035148007 is a wasteful number, since it uses less digits than its factorization.

181035148007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1315358.

The product of its (nonzero) digits is 26880, while the sum is 38.

Adding to 181035148007 its reverse (700841530181), we get a palindrome (881876678188).

The spelling of 181035148007 in words is "one hundred eighty-one billion, thirty-five million, one hundred forty-eight thousand, seven".