5421345155 has 4 divisors (see below), whose sum is σ = 6505614192. Its totient is φ = 4337076120.

The previous prime is 5421345151. The next prime is 5421345161. The reversal of 5421345155 is 5515431245.

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

It is not a de Polignac number, because 5421345155 - 2² = 5421345151 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5421345151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542134511 + ... + 542134520.

It is an arithmetic number, because the mean of its divisors is an integer number (1626403548).

Almost surely, 2^5421345155 is an apocalyptic number.

5421345155 is a deficient number, since it is larger than the sum of its proper divisors (1084269037).

5421345155 is a wasteful number, since it uses less digits than its factorization.

5421345155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084269036.

The product of its digits is 60000, while the sum is 35.

The square root of 5421345155 is about 73629.7844285857. The cubic root of 5421345155 is about 1756.7192190630.

The spelling of 5421345155 in words is "five billion, four hundred twenty-one million, three hundred forty-five thousand, one hundred fifty-five".