11031723617 has 2 divisors, whose sum is σ = 11031723618. Its totient is φ = 11031723616.

The previous prime is 11031723553. The next prime is 11031723673. The reversal of 11031723617 is 71632713011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9977812321 + 1053911296 = 99889^2 + 32464^2 .

It is a cyclic number.

It is not a de Polignac number, because 11031723617 - 2⁶ = 11031723553 is a prime.

It is not a weakly prime, because it can be changed into another prime (11031723217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5515861808 + 5515861809.

It is an arithmetic number, because the mean of its divisors is an integer number (5515861809).

Almost surely, 2^11031723617 is an apocalyptic number.

It is an amenable number.

11031723617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11031723617 is an equidigital number, since it uses as much as digits as its factorization.

11031723617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 32.

The spelling of 11031723617 in words is "eleven billion, thirty-one million, seven hundred twenty-three thousand, six hundred seventeen".