3550545111201 has 32 divisors (see below), whose sum is σ = 5202556926336. Its totient is φ = 2135961600000.

The previous prime is 3550545111187. The next prime is 3550545111283. The reversal of 3550545111201 is 1021115450553.

It is a happy number.

It is not a de Polignac number, because 3550545111201 - 2²¹ = 3550543014049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3550545113201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72315981 + ... + 72365061.

It is an arithmetic number, because the mean of its divisors is an integer number (162579903948).

Almost surely, 2^{3550545111201} is an apocalyptic number.

It is an amenable number.

3550545111201 is a deficient number, since it is larger than the sum of its proper divisors (1652011815135).

3550545111201 is a wasteful number, since it uses less digits than its factorization.

3550545111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65233.

The product of its (nonzero) digits is 15000, while the sum is 33.

The spelling of 3550545111201 in words is "three trillion, five hundred fifty billion, five hundred forty-five million, one hundred eleven thousand, two hundred one".