12026532056551 has 4 divisors (see below), whose sum is σ = 12026635081272. Its totient is φ = 12026429031832.

The previous prime is 12026532056503. The next prime is 12026532056557. The reversal of 12026532056551 is 15565023562021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12026532056551 - 2¹⁷ = 12026531925479 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12026532056498 and 12026532056507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12026532056557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51337060 + ... + 51570793.

It is an arithmetic number, because the mean of its divisors is an integer number (3006658770318).

Almost surely, 2^{12026532056551} is an apocalyptic number.

12026532056551 is a deficient number, since it is larger than the sum of its proper divisors (103024721).

12026532056551 is a wasteful number, since it uses less digits than its factorization.

12026532056551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103024720.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 12026532056551 in words is "twelve trillion, twenty-six billion, five hundred thirty-two million, fifty-six thousand, five hundred fifty-one".