3861825335511 has 128 divisors (see below), whose sum is σ = 6177448488960. Its totient is φ = 2115262464000.

The previous prime is 3861825335507. The next prime is 3861825335633. The reversal of 3861825335511 is 1155335281683.

3861825335511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3861825335511 - 2² = 3861825335507 is a prime.

It is a super-2 number, since 2×3861825335511² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3861825335311) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3520350715 + ... + 3520351811.

It is an arithmetic number, because the mean of its divisors is an integer number (48261316320).

Almost surely, 2^{3861825335511} is an apocalyptic number.

3861825335511 is a deficient number, since it is larger than the sum of its proper divisors (2315623153449).

3861825335511 is a wasteful number, since it uses less digits than its factorization.

3861825335511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its digits is 2592000, while the sum is 51.

The spelling of 3861825335511 in words is "three trillion, eight hundred sixty-one billion, eight hundred twenty-five million, three hundred thirty-five thousand, five hundred eleven".