2664520415411 has 4 divisors (see below), whose sum is σ = 2664523681824. Its totient is φ = 2664517149000.

The previous prime is 2664520415383. The next prime is 2664520415413. The reversal of 2664520415411 is 1145140254662.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2664520415411 - 2¹⁴ = 2664520399027 is a prime.

It is a super-3 number, since 3×2664520415411³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2664520415413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 736646 + ... + 2423156.

It is an arithmetic number, because the mean of its divisors is an integer number (666130920456).

Almost surely, 2^{2664520415411} is an apocalyptic number.

2664520415411 is a deficient number, since it is larger than the sum of its proper divisors (3266413).

2664520415411 is a wasteful number, since it uses less digits than its factorization.

2664520415411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3266412.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 2664520415411 in words is "two trillion, six hundred sixty-four billion, five hundred twenty million, four hundred fifteen thousand, four hundred eleven".