2605640054075 has 24 divisors (see below), whose sum is σ = 3234606067200. Its totient is φ = 2082182319360.

The previous prime is 2605640054053. The next prime is 2605640054099. The reversal of 2605640054075 is 5704500465062.

It is not a de Polignac number, because 2605640054075 - 2¹⁴ = 2605640037691 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197644934 + ... + 197658116.

It is an arithmetic number, because the mean of its divisors is an integer number (134775252800).

Almost surely, 2^{2605640054075} is an apocalyptic number.

2605640054075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2605640054075 is a deficient number, since it is larger than the sum of its proper divisors (628966013125).

2605640054075 is a wasteful number, since it uses less digits than its factorization.

2605640054075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21431 (or 21426 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 2605640054075 in words is "two trillion, six hundred five billion, six hundred forty million, fifty-four thousand, seventy-five".