26540503045 has 16 divisors (see below), whose sum is σ = 37980944640. Its totient is φ = 17407931904.

The previous prime is 26540503027. The next prime is 26540503079. The reversal of 26540503045 is 54030504562.

It is a cyclic number.

It is not a de Polignac number, because 26540503045 - 2⁵ = 26540503013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26540503045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16483980 + ... + 16485589.

It is an arithmetic number, because the mean of its divisors is an integer number (2373809040).

Almost surely, 2^26540503045 is an apocalyptic number.

It is an amenable number.

26540503045 is a deficient number, since it is larger than the sum of its proper divisors (11440441595).

26540503045 is a wasteful number, since it uses less digits than its factorization.

26540503045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32969604.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 26540503045 in words is "twenty-six billion, five hundred forty million, five hundred three thousand, forty-five".