26142620523641 has 16 divisors (see below), whose sum is σ = 28635207123600. Its totient is φ = 23756138262528.

The previous prime is 26142620523629. The next prime is 26142620523647. The reversal of 26142620523641 is 14632502624162.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2694509118016 + 23448111405625 = 1641496^2 + 4842325^2 .

It is a cyclic number.

It is not a de Polignac number, because 26142620523641 - 2⁶ = 26142620523577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26142620523592 and 26142620523601.

It is not an unprimeable number, because it can be changed into a prime (26142620523647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64929041 + ... + 65330433.

It is an arithmetic number, because the mean of its divisors is an integer number (1789700445225).

Almost surely, 2^{26142620523641} is an apocalyptic number.

It is an amenable number.

26142620523641 is a deficient number, since it is larger than the sum of its proper divisors (2492586599959).

26142620523641 is a wasteful number, since it uses less digits than its factorization.

26142620523641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533548.

The product of its (nonzero) digits is 829440, while the sum is 44.

The spelling of 26142620523641 in words is "twenty-six trillion, one hundred forty-two billion, six hundred twenty million, five hundred twenty-three thousand, six hundred forty-one".