26421107258351 has 32 divisors (see below), whose sum is σ = 30578386745088. Its totient is φ = 22610383234560.

The previous prime is 26421107258347. The next prime is 26421107258387. The reversal of 26421107258351 is 15385270112462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26421107258351 - 2² = 26421107258347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26421107258296 and 26421107258305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26421107258341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 489951476 + ... + 490005398.

It is an arithmetic number, because the mean of its divisors is an integer number (955574585784).

Almost surely, 2^{26421107258351} is an apocalyptic number.

26421107258351 is a deficient number, since it is larger than the sum of its proper divisors (4157279486737).

26421107258351 is a wasteful number, since it uses less digits than its factorization.

26421107258351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87111.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 26421107258351 in words is "twenty-six trillion, four hundred twenty-one billion, one hundred seven million, two hundred fifty-eight thousand, three hundred fifty-one".