2615664463311 has 4 divisors (see below), whose sum is σ = 3487552617752. Its totient is φ = 1743776308872.

The previous prime is 2615664463259. The next prime is 2615664463331. The reversal of 2615664463311 is 1133644665162.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2615664463311 - 2¹⁹ = 2615663939023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2615664463331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435944077216 + ... + 435944077221.

It is an arithmetic number, because the mean of its divisors is an integer number (871888154438).

Almost surely, 2^{2615664463311} is an apocalyptic number.

2615664463311 is a deficient number, since it is larger than the sum of its proper divisors (871888154441).

2615664463311 is an equidigital number, since it uses as much as digits as its factorization.

2615664463311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871888154440.

The product of its digits is 1866240, while the sum is 48.

The spelling of 2615664463311 in words is "two trillion, six hundred fifteen billion, six hundred sixty-four million, four hundred sixty-three thousand, three hundred eleven".