4001255011 has 8 divisors (see below), whose sum is σ = 4535835920. Its totient is φ = 3499072992.

The previous prime is 4001255009. The next prime is 4001255023. The reversal of 4001255011 is 1105521004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4001255011 - 2¹ = 4001255009 is a prime.

It is a super-2 number, since 2×4001255011² = 32020083326105220242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4001255011.

It is not an unprimeable number, because it can be changed into a prime (4001255311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8099460 + ... + 8099953.

It is an arithmetic number, because the mean of its divisors is an integer number (566979490).

Almost surely, 2^4001255011 is an apocalyptic number.

4001255011 is a deficient number, since it is larger than the sum of its proper divisors (534580909).

4001255011 is a wasteful number, since it uses less digits than its factorization.

4001255011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16199445.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 4001255011 is about 63255.4741583683. The cubic root of 4001255011 is about 1587.5670517569.

Adding to 4001255011 its reverse (1105521004), we get a palindrome (5106776015).

The spelling of 4001255011 in words is "four billion, one million, two hundred fifty-five thousand, eleven".