4155511545 has 64 divisors (see below), whose sum is σ = 7723468800. Its totient is φ = 2115875520.

The previous prime is 4155511523. The next prime is 4155511553. The reversal of 4155511545 is 5451155514.

4155511545 is a `hidden beast` number, since 41 + 55 + 511 + 54 + 5 = 666.

4155511545 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4155511545 - 2¹¹ = 4155509497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2293690 + ... + 2295500.

It is an arithmetic number, because the mean of its divisors is an integer number (120679200).

Almost surely, 2^4155511545 is an apocalyptic number.

4155511545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4155511545 is a deficient number, since it is larger than the sum of its proper divisors (3567957255).

4155511545 is a wasteful number, since it uses less digits than its factorization.

4155511545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587 (or 2581 counting only the distinct ones).

The product of its digits is 50000, while the sum is 36.

The square root of 4155511545 is about 64463.2573253943. The cubic root of 4155511545 is about 1607.7116707077.

The spelling of 4155511545 in words is "four billion, one hundred fifty-five million, five hundred eleven thousand, five hundred forty-five".