2612112661305 has 24 divisors (see below), whose sum is σ = 5174470796352. Its totient is φ = 1194108645024.

The previous prime is 2612112661189. The next prime is 2612112661357. The reversal of 2612112661305 is 5031662112162.

2612112661305 is a `hidden beast` number, since 2 + 6 + 1 + 2 + 11 + 26 + 613 + 0 + 5 = 666.

It is not a de Polignac number, because 2612112661305 - 2²¹ = 2612110564153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2612112661305.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 4146210259 + ... + 4146210888.

It is an arithmetic number, because the mean of its divisors is an integer number (215602949848).

Almost surely, 2^{2612112661305} is an apocalyptic number.

It is an amenable number.

2612112661305 is a deficient number, since it is larger than the sum of its proper divisors (2562358135047).

2612112661305 is a wasteful number, since it uses less digits than its factorization.

2612112661305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292421165 (or 8292421162 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 2612112661305 its reverse (5031662112162), we get a palindrome (7643774773467).

The spelling of 2612112661305 in words is "two trillion, six hundred twelve billion, one hundred twelve million, six hundred sixty-one thousand, three hundred five".