155535441201 has 48 divisors (see below), whose sum is σ = 275161446144. Its totient is φ = 82715478912.

The previous prime is 155535441137. The next prime is 155535441239. The reversal of 155535441201 is 102144535551.

155535441201 is a `hidden beast` number, since 1 + 5 + 5 + 5 + 3 + 5 + 441 + 201 = 666.

It is not a de Polignac number, because 155535441201 - 2⁶ = 155535441137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155535440201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1396926 + ... + 1504151.

It is an arithmetic number, because the mean of its divisors is an integer number (5732530128).

Almost surely, 2^155535441201 is an apocalyptic number.

It is an amenable number.

155535441201 is a deficient number, since it is larger than the sum of its proper divisors (119626004943).

155535441201 is a wasteful number, since it uses less digits than its factorization.

155535441201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901150 (or 2901147 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

Adding to 155535441201 its reverse (102144535551), we get a palindrome (257679976752).

The spelling of 155535441201 in words is "one hundred fifty-five billion, five hundred thirty-five million, four hundred forty-one thousand, two hundred one".