10161231089 has 2 divisors, whose sum is σ = 10161231090. Its totient is φ = 10161231088.

The previous prime is 10161231049. The next prime is 10161231127. The reversal of 10161231089 is 98013216101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8155534864 + 2005696225 = 90308^2 + 44785^2 .

It is an emirp because it is prime and its reverse (98013216101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10161231089 is a prime.

It is not a weakly prime, because it can be changed into another prime (10161231049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5080615544 + 5080615545.

It is an arithmetic number, because the mean of its divisors is an integer number (5080615545).

Almost surely, 2^10161231089 is an apocalyptic number.

It is an amenable number.

10161231089 is a deficient number, since it is larger than the sum of its proper divisors (1).

10161231089 is an equidigital number, since it uses as much as digits as its factorization.

10161231089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 10161231089 in words is "ten billion, one hundred sixty-one million, two hundred thirty-one thousand, eighty-nine".