3665212533411 has 128 divisors (see below), whose sum is σ = 5981346201600. Its totient is φ = 1966551229440.

The previous prime is 3665212533397. The next prime is 3665212533421. The reversal of 3665212533411 is 1143352125663.

It is a happy number.

It is not a de Polignac number, because 3665212533411 - 2⁵ = 3665212533379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3665212533421) 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, 1392027751 + ... + 1392030383.

It is an arithmetic number, because the mean of its divisors is an integer number (46729267200).

Almost surely, 2^{3665212533411} is an apocalyptic number.

3665212533411 is a deficient number, since it is larger than the sum of its proper divisors (2316133668189).

3665212533411 is a wasteful number, since it uses less digits than its factorization.

3665212533411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4041.

The product of its digits is 388800, while the sum is 42.

The spelling of 3665212533411 in words is "three trillion, six hundred sixty-five billion, two hundred twelve million, five hundred thirty-three thousand, four hundred eleven".