26121005732263 has 16 divisors (see below), whose sum is σ = 28977875552416. Its totient is φ = 23389153729920.

The previous prime is 26121005732249. The next prime is 26121005732291. The reversal of 26121005732263 is 36223750012162.

It is a cyclic number.

It is not a de Polignac number, because 26121005732263 - 2²⁵ = 26120972177831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26121005732363) 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, 81873456 + ... + 82191877.

It is an arithmetic number, because the mean of its divisors is an integer number (1811117222026).

Almost surely, 2^{26121005732263} is an apocalyptic number.

26121005732263 is a deficient number, since it is larger than the sum of its proper divisors (2856869820153).

26121005732263 is a wasteful number, since it uses less digits than its factorization.

26121005732263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164065714.

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 26121005732263 in words is "twenty-six trillion, one hundred twenty-one billion, five million, seven hundred thirty-two thousand, two hundred sixty-three".