26751481545 has 8 divisors (see below), whose sum is σ = 42802370496. Its totient is φ = 14267456816.

The previous prime is 26751481541. The next prime is 26751481553. The reversal of 26751481545 is 54518415762.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 26751481545 - 2² = 26751481541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26751481494 and 26751481503.

It is not an unprimeable number, because it can be changed into a prime (26751481541) 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 7 ways as a sum of consecutive naturals, for example, 891716037 + ... + 891716066.

It is an arithmetic number, because the mean of its divisors is an integer number (5350296312).

Almost surely, 2^26751481545 is an apocalyptic number.

It is an amenable number.

26751481545 is a deficient number, since it is larger than the sum of its proper divisors (16050888951).

26751481545 is a wasteful number, since it uses less digits than its factorization.

26751481545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1783432111.

The product of its digits is 1344000, while the sum is 48.

The spelling of 26751481545 in words is "twenty-six billion, seven hundred fifty-one million, four hundred eighty-one thousand, five hundred forty-five".