4001253155 has 16 divisors (see below), whose sum is σ = 4826908800. Its totient is φ = 3184097280.

The previous prime is 4001253131. The next prime is 4001253169. The reversal of 4001253155 is 5513521004.

4001253155 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 4001253155 - 2²⁴ = 3984475939 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921715 + ... + 1923795.

It is an arithmetic number, because the mean of its divisors is an integer number (301681800).

Almost surely, 2^4001253155 is an apocalyptic number.

4001253155 is a deficient number, since it is larger than the sum of its proper divisors (825655645).

4001253155 is a wasteful number, since it uses less digits than its factorization.

4001253155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3934.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4001253155 is about 63255.4594876996. The cubic root of 4001253155 is about 1587.5668062902.

Adding to 4001253155 its reverse (5513521004), we get a palindrome (9514774159).

The spelling of 4001253155 in words is "four billion, one million, two hundred fifty-three thousand, one hundred fifty-five".