26126231545 has 8 divisors (see below), whose sum is σ = 31943015496. Its totient is φ = 20506626816.

The previous prime is 26126231543. The next prime is 26126231591. The reversal of 26126231545 is 54513262162.

It can be written as a sum of positive squares in 4 ways, for example, as 9657385984 + 16468845561 = 98272^2 + 128331^2 .

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 26126231545 - 2¹ = 26126231543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26126231543) 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, 49294512 + ... + 49295041.

It is an arithmetic number, because the mean of its divisors is an integer number (3992876937).

Almost surely, 2^26126231545 is an apocalyptic number.

It is an amenable number.

26126231545 is a deficient number, since it is larger than the sum of its proper divisors (5816783951).

26126231545 is an equidigital number, since it uses as much as digits as its factorization.

26126231545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98589611.

The product of its digits is 86400, while the sum is 37.

The spelling of 26126231545 in words is "twenty-six billion, one hundred twenty-six million, two hundred thirty-one thousand, five hundred forty-five".