26655143553 has 8 divisors (see below), whose sum is σ = 39489101600. Its totient is φ = 17770095684.

The previous prime is 26655143551. The next prime is 26655143609. The reversal of 26655143553 is 35534155662.

26655143553 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 51 + 43 + 553 = 666.

It is not a de Polignac number, because 26655143553 - 2¹ = 26655143551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26655143499 and 26655143508.

It is not an unprimeable number, because it can be changed into a prime (26655143551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493613743 + ... + 493613796.

It is an arithmetic number, because the mean of its divisors is an integer number (4936137700).

Almost surely, 2^26655143553 is an apocalyptic number.

It is an amenable number.

26655143553 is a deficient number, since it is larger than the sum of its proper divisors (12833958047).

26655143553 is an equidigital number, since it uses as much as digits as its factorization.

26655143553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987227548 (or 987227542 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 26655143553 in words is "twenty-six billion, six hundred fifty-five million, one hundred forty-three thousand, five hundred fifty-three".