26456534706021 has 96 divisors (see below), whose sum is σ = 43236414966528. Its totient is φ = 14092441681920.

The previous prime is 26456534706001. The next prime is 26456534706047. The reversal of 26456534706021 is 12060743565462.

It is not a de Polignac number, because 26456534706021 - 2¹³ = 26456534697829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26456534706001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 982733641 + ... + 982760561.

It is an arithmetic number, because the mean of its divisors is an integer number (450379322568).

Almost surely, 2^{26456534706021} is an apocalyptic number.

26456534706021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26456534706021 is a deficient number, since it is larger than the sum of its proper divisors (16779880260507).

26456534706021 is a wasteful number, since it uses less digits than its factorization.

26456534706021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28511 (or 28494 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 26456534706021 in words is "twenty-six trillion, four hundred fifty-six billion, five hundred thirty-four million, seven hundred six thousand, twenty-one".