6201540155 has 4 divisors (see below), whose sum is σ = 7441848192. Its totient is φ = 4961232120.

The previous prime is 6201540151. The next prime is 6201540181. The reversal of 6201540155 is 5510451026.

It is a happy number.

6201540155 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6201540155 - 2² = 6201540151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6201540151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620154011 + ... + 620154020.

It is an arithmetic number, because the mean of its divisors is an integer number (1860462048).

Almost surely, 2^6201540155 is an apocalyptic number.

6201540155 is a deficient number, since it is larger than the sum of its proper divisors (1240308037).

6201540155 is a wasteful number, since it uses less digits than its factorization.

6201540155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240308036.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 6201540155 is about 78749.8581268563. The cubic root of 6201540155 is about 1837.2426559251.

The spelling of 6201540155 in words is "six billion, two hundred one million, five hundred forty thousand, one hundred fifty-five".