26229874923121 has 3 divisors (see below), whose sum is σ = 26229880044633. Its totient is φ = 26229869801610.

The previous prime is 26229874923073. The next prime is 26229874923137. The reversal of 26229874923121 is 12132947892262.

The square root of 26229874923121 is 5121511.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 26229874923121 - 2¹¹ = 26229874921073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26229874926121) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2560756 + ... + 7682266.

It is an arithmetic number, because the mean of its divisors is an integer number (8743293348211).

Almost surely, 2^{26229874923121} is an apocalyptic number.

26229874923121 is the 5121511-st square number.

26229874923121 is the 2560756-th centered octagonal number.

It is an amenable number.

26229874923121 is a deficient number, since it is larger than the sum of its proper divisors (5121512).

26229874923121 is an frugal number, since it uses more digits than its factorization.

26229874923121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10243022 (or 5121511 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 58.

The spelling of 26229874923121 in words is "twenty-six trillion, two hundred twenty-nine billion, eight hundred seventy-four million, nine hundred twenty-three thousand, one hundred twenty-one".