3155445513 has 48 divisors (see below), whose sum is σ = 5078713536. Its totient is φ = 1871838720.

The previous prime is 3155445511. The next prime is 3155445523.

3155445513 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3155445513 - 2¹ = 3155445511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3155445511) 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 47 ways as a sum of consecutive naturals, for example, 988506 + ... + 991692.

It is an arithmetic number, because the mean of its divisors is an integer number (105806532).

Almost surely, 2^3155445513 is an apocalyptic number.

3155445513 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

3155445513 is a deficient number, since it is larger than the sum of its proper divisors (1923268023).

3155445513 is a wasteful number, since it uses less digits than its factorization.

3155445513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414 (or 3411 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

The square root of 3155445513 is about 56173.3523389872. The cubic root of 3155445513 is about 1466.7414381704.

The spelling of 3155445513 in words is "three billion, one hundred fifty-five million, four hundred forty-five thousand, five hundred thirteen".