26261126506 has 8 divisors (see below), whose sum is σ = 39432428640. Its totient is φ = 13116983628.

The previous prime is 26261126483. The next prime is 26261126513. The reversal of 26261126506 is 60562116262.

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

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 3 ways as a sum of consecutive naturals, for example, 6787396 + ... + 6791263.

It is an arithmetic number, because the mean of its divisors is an integer number (4929053580).

Almost surely, 2^26261126506 is an apocalyptic number.

26261126506 is a deficient number, since it is larger than the sum of its proper divisors (13171302134).

26261126506 is a wasteful number, since it uses less digits than its factorization.

26261126506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13579628.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 26261126506 in words is "twenty-six billion, two hundred sixty-one million, one hundred twenty-six thousand, five hundred six".