4155226515 has 144 divisors (see below), whose sum is σ = 8285921280. Its totient is φ = 1922659200.

The previous prime is 4155226511. The next prime is 4155226541. The reversal of 4155226515 is 5156225514.

4155226515 is a `hidden beast` number, since 41 + 552 + 2 + 65 + 1 + 5 = 666.

It is not a de Polignac number, because 4155226515 - 2² = 4155226511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4155226515.

It is not an unprimeable number, because it can be changed into a prime (4155226511) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 17385766 + ... + 17386004.

It is an arithmetic number, because the mean of its divisors is an integer number (57541120).

Almost surely, 2^4155226515 is an apocalyptic number.

4155226515 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4155226515 is a deficient number, since it is larger than the sum of its proper divisors (4130694765).

4155226515 is a wasteful number, since it uses less digits than its factorization.

4155226515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 392 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 4155226515 is about 64461.0464932117. The cubic root of 4155226515 is about 1607.6749117728.

The spelling of 4155226515 in words is "four billion, one hundred fifty-five million, two hundred twenty-six thousand, five hundred fifteen".