3201200155 has 8 divisors (see below), whose sum is σ = 3848171184. Its totient is φ = 2556472800.

The previous prime is 3201200153. The next prime is 3201200179. The reversal of 3201200155 is 5510021023.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3201200155 - 2¹ = 3201200153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3201200153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 557776 + ... + 563485.

It is an arithmetic number, because the mean of its divisors is an integer number (481021398).

Almost surely, 2^3201200155 is an apocalyptic number.

3201200155 is a deficient number, since it is larger than the sum of its proper divisors (646971029).

3201200155 is a wasteful number, since it uses less digits than its factorization.

3201200155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121837.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 3201200155 is about 56579.1494722217. The cubic root of 3201200155 is about 1473.7968017974.

Adding to 3201200155 its reverse (5510021023), we get a palindrome (8711221178).

It can be divided in two parts, 320 and 1200155, that added together give a triangular number (1200475 = T₁₅₄₉).

The spelling of 3201200155 in words is "three billion, two hundred one million, two hundred thousand, one hundred fifty-five".