10915403321 has 2 divisors, whose sum is σ = 10915403322. Its totient is φ = 10915403320.

The previous prime is 10915403249. The next prime is 10915403339. The reversal of 10915403321 is 12330451901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10891009600 + 24393721 = 104360^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 10915403321 - 2¹⁰ = 10915402297 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10915403381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5457701660 + 5457701661.

It is an arithmetic number, because the mean of its divisors is an integer number (5457701661).

Almost surely, 2^10915403321 is an apocalyptic number.

It is an amenable number.

10915403321 is a deficient number, since it is larger than the sum of its proper divisors (1).

10915403321 is an equidigital number, since it uses as much as digits as its factorization.

10915403321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 10915403321 in words is "ten billion, nine hundred fifteen million, four hundred three thousand, three hundred twenty-one".