4014491781511 has 8 divisors (see below), whose sum is σ = 4250656265904. Its totient is φ = 3778329287040.

The previous prime is 4014491781491. The next prime is 4014491781529. The reversal of 4014491781511 is 1151871944104.

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 4014491781511 - 2⁷ = 4014491781383 is a prime.

It is a super-2 number, since 2×4014491781511² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4014491781571) 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, 6345396 + ... + 6949318.

It is an arithmetic number, because the mean of its divisors is an integer number (531332033238).

Almost surely, 2^{4014491781511} is an apocalyptic number.

4014491781511 is a deficient number, since it is larger than the sum of its proper divisors (236164484393).

4014491781511 is a wasteful number, since it uses less digits than its factorization.

4014491781511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994961.

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 4014491781511 in words is "four trillion, fourteen billion, four hundred ninety-one million, seven hundred eighty-one thousand, five hundred eleven".