155003233210401 has 16 divisors (see below), whose sum is σ = 206883237748928. Its totient is φ = 103229409182400.

The previous prime is 155003233210393. The next prime is 155003233210411. The reversal of 155003233210401 is 104012332300551.

It is not a de Polignac number, because 155003233210401 - 2³ = 155003233210393 is a prime.

It is a super-3 number, since 3×155003233210401³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155003233210411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5992191 + ... + 18598731.

It is an arithmetic number, because the mean of its divisors is an integer number (12930202359308).

Almost surely, 2^{155003233210401} is an apocalyptic number.

It is an amenable number.

155003233210401 is a deficient number, since it is larger than the sum of its proper divisors (51880004538527).

155003233210401 is a wasteful number, since it uses less digits than its factorization.

155003233210401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12610752.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 155003233210401 its reverse (104012332300551), we get a palindrome (259015565510952).

The spelling of 155003233210401 in words is "one hundred fifty-five trillion, three billion, two hundred thirty-three million, two hundred ten thousand, four hundred one".