10205455531 has 2 divisors, whose sum is σ = 10205455532. Its totient is φ = 10205455530.

The previous prime is 10205455517. The next prime is 10205455537. The reversal of 10205455531 is 13555450201.

It is a strong prime.

It is an emirp because it is prime and its reverse (13555450201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10205455531 - 2⁹ = 10205455019 is a prime.

It is a super-2 number, since 2×10205455531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10205455493 and 10205455502.

It is not a weakly prime, because it can be changed into another prime (10205455537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102727765 + 5102727766.

It is an arithmetic number, because the mean of its divisors is an integer number (5102727766).

Almost surely, 2^10205455531 is an apocalyptic number.

10205455531 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205455531 is an equidigital number, since it uses as much as digits as its factorization.

10205455531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

The spelling of 10205455531 in words is "ten billion, two hundred five million, four hundred fifty-five thousand, five hundred thirty-one".