3155384455 has 4 divisors (see below), whose sum is σ = 3786461352. Its totient is φ = 2524307560.

The previous prime is 3155384447. The next prime is 3155384461. The reversal of 3155384455 is 5544835513.

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

It is not a de Polignac number, because 3155384455 - 2³ = 3155384447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315538441 + ... + 315538450.

It is an arithmetic number, because the mean of its divisors is an integer number (946615338).

Almost surely, 2^3155384455 is an apocalyptic number.

3155384455 is a deficient number, since it is larger than the sum of its proper divisors (631076897).

3155384455 is an equidigital number, since it uses as much as digits as its factorization.

3155384455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631076896.

The product of its digits is 720000, while the sum is 43.

The square root of 3155384455 is about 56172.8088580231. The cubic root of 3155384455 is about 1466.7319776070.

The spelling of 3155384455 in words is "three billion, one hundred fifty-five million, three hundred eighty-four thousand, four hundred fifty-five".