4451102155 has 4 divisors (see below), whose sum is σ = 5341322592. Its totient is φ = 3560881720.

The previous prime is 4451102143. The next prime is 4451102177. The reversal of 4451102155 is 5512011544.

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

It is not a de Polignac number, because 4451102155 - 2²¹ = 4449005003 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445110211 + ... + 445110220.

It is an arithmetic number, because the mean of its divisors is an integer number (1335330648).

Almost surely, 2^4451102155 is an apocalyptic number.

4451102155 is a deficient number, since it is larger than the sum of its proper divisors (890220437).

4451102155 is an equidigital number, since it uses as much as digits as its factorization.

4451102155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890220436.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 4451102155 is about 66716.5808101704. The cubic root of 4451102155 is about 1644.9619396041.

Adding to 4451102155 its reverse (5512011544), we get a palindrome (9963113699).

The spelling of 4451102155 in words is "four billion, four hundred fifty-one million, one hundred two thousand, one hundred fifty-five".