26232550121 has 2 divisors, whose sum is σ = 26232550122. Its totient is φ = 26232550120.

The previous prime is 26232550109. The next prime is 26232550139. The reversal of 26232550121 is 12105523262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21868494400 + 4364055721 = 147880^2 + 66061^2 .

It is a cyclic number.

It is not a de Polignac number, because 26232550121 - 2¹⁰ = 26232549097 is a prime.

It is a super-2 number, since 2×26232550121² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26232552121) by changing a digit.

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 as a sum of consecutive naturals, namely, 13116275060 + 13116275061.

It is an arithmetic number, because the mean of its divisors is an integer number (13116275061).

Almost surely, 2^26232550121 is an apocalyptic number.

It is an amenable number.

26232550121 is a deficient number, since it is larger than the sum of its proper divisors (1).

26232550121 is an equidigital number, since it uses as much as digits as its factorization.

26232550121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 26232550121 in words is "twenty-six billion, two hundred thirty-two million, five hundred fifty thousand, one hundred twenty-one".