10981826897 has 2 divisors, whose sum is σ = 10981826898. Its totient is φ = 10981826896.

The previous prime is 10981826839. The next prime is 10981826927. The reversal of 10981826897 is 79862818901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10135656976 + 846169921 = 100676^2 + 29089^2 .

It is a cyclic number.

It is not a de Polignac number, because 10981826897 - 2¹⁸ = 10981564753 is a prime.

It is not a weakly prime, because it can be changed into another prime (10981826837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5490913448 + 5490913449.

It is an arithmetic number, because the mean of its divisors is an integer number (5490913449).

Almost surely, 2^10981826897 is an apocalyptic number.

It is an amenable number.

10981826897 is a deficient number, since it is larger than the sum of its proper divisors (1).

10981826897 is an equidigital number, since it uses as much as digits as its factorization.

10981826897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3483648, while the sum is 59.

The spelling of 10981826897 in words is "ten billion, nine hundred eighty-one million, eight hundred twenty-six thousand, eight hundred ninety-seven".