26745530503 has 8 divisors (see below), whose sum is σ = 27504843408. Its totient is φ = 25995650304.

The previous prime is 26745530491. The next prime is 26745530509. The reversal of 26745530503 is 30503554762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26745530503 - 2²¹ = 26743433351 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 (26745530509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2352426 + ... + 2363767.

It is an arithmetic number, because the mean of its divisors is an integer number (3438105426).

Almost surely, 2^26745530503 is an apocalyptic number.

26745530503 is a deficient number, since it is larger than the sum of its proper divisors (759312905).

26745530503 is a wasteful number, since it uses less digits than its factorization.

26745530503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716353.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 26745530503 in words is "twenty-six billion, seven hundred forty-five million, five hundred thirty thousand, five hundred three".