4445120115 has 24 divisors (see below), whose sum is σ = 7706658960. Its totient is φ = 2370181824.

The previous prime is 4445120111. The next prime is 4445120117. The reversal of 4445120115 is 5110215444.

4445120115 is a `hidden beast` number, since 4 + 4 + 451 + 201 + 1 + 5 = 666.

It is not a de Polignac number, because 4445120115 - 2² = 4445120111 is a prime.

It is a super-2 number, since 2×4445120115² = 39518185673555226450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4445120111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 251509 + ... + 268601.

It is an arithmetic number, because the mean of its divisors is an integer number (321110790).

Almost surely, 2^4445120115 is an apocalyptic number.

4445120115 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4445120115 is a deficient number, since it is larger than the sum of its proper divisors (3261538845).

4445120115 is a wasteful number, since it uses less digits than its factorization.

4445120115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22883 (or 22880 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 4445120115 is about 66671.7340032491. The cubic root of 4445120115 is about 1644.2246960093.

Adding to 4445120115 its reverse (5110215444), we get a palindrome (9555335559).

The spelling of 4445120115 in words is "four billion, four hundred forty-five million, one hundred twenty thousand, one hundred fifteen".