26126156643 has 8 divisors (see below), whose sum is σ = 34835672256. Its totient is φ = 17417039400.

The previous prime is 26126156621. The next prime is 26126156647. The reversal of 26126156643 is 34665162162.

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

It is not a de Polignac number, because 26126156643 - 2⁵ = 26126156611 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 26126156595 and 26126156604.

It is not an unprimeable number, because it can be changed into a prime (26126156647) 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, 127248 + ... + 261618.

It is an arithmetic number, because the mean of its divisors is an integer number (4354459032).

Almost surely, 2^26126156643 is an apocalyptic number.

26126156643 is a deficient number, since it is larger than the sum of its proper divisors (8709515613).

26126156643 is a wasteful number, since it uses less digits than its factorization.

26126156643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199185.

The product of its digits is 311040, while the sum is 42.

The spelling of 26126156643 in words is "twenty-six billion, one hundred twenty-six million, one hundred fifty-six thousand, six hundred forty-three".