155507000201 has 12 divisors (see below), whose sum is σ = 183595840848. Its totient is φ = 131302283112.

The previous prime is 155507000161. The next prime is 155507000227. The reversal of 155507000201 is 102000705551.

It is a happy number.

It is not a de Polignac number, because 155507000201 - 2¹⁰ = 155506999177 is a prime.

It is a super-2 number, since 2×155507000201² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (155507000801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23680391 + ... + 23686956.

It is an arithmetic number, because the mean of its divisors is an integer number (15299653404).

Almost surely, 2^155507000201 is an apocalyptic number.

It is an amenable number.

155507000201 is a deficient number, since it is larger than the sum of its proper divisors (28088840647).

155507000201 is an equidigital number, since it uses as much as digits as its factorization.

155507000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47367428 (or 47367421 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 26.

Adding to 155507000201 its reverse (102000705551), we get a palindrome (257507705752).

The spelling of 155507000201 in words is "one hundred fifty-five billion, five hundred seven million, two hundred one", and thus it is an aban number.