26167312553 has 2 divisors, whose sum is σ = 26167312554. Its totient is φ = 26167312552.

The previous prime is 26167312519. The next prime is 26167312559. The reversal of 26167312553 is 35521376162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25353237529 + 814075024 = 159227^2 + 28532^2 .

It is a cyclic number.

It is not a de Polignac number, because 26167312553 - 2¹² = 26167308457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26167312553.

It is not a weakly prime, because it can be changed into another prime (26167312559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13083656276 + 13083656277.

It is an arithmetic number, because the mean of its divisors is an integer number (13083656277).

Almost surely, 2^26167312553 is an apocalyptic number.

It is an amenable number.

26167312553 is a deficient number, since it is larger than the sum of its proper divisors (1).

26167312553 is an equidigital number, since it uses as much as digits as its factorization.

26167312553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 41.

The spelling of 26167312553 in words is "twenty-six billion, one hundred sixty-seven million, three hundred twelve thousand, five hundred fifty-three".