10903504561 has 8 divisors (see below), whose sum is σ = 10949178240. Its totient is φ = 10857916608.

The previous prime is 10903504541. The next prime is 10903504603. The reversal of 10903504561 is 16540530901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10903504561 - 2¹⁷ = 10903373489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10903504541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240105 + ... + 281881.

It is an arithmetic number, because the mean of its divisors is an integer number (1368647280).

Almost surely, 2^10903504561 is an apocalyptic number.

It is an amenable number.

10903504561 is a deficient number, since it is larger than the sum of its proper divisors (45673679).

10903504561 is an equidigital number, since it uses as much as digits as its factorization.

10903504561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42863.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 10903504561 in words is "ten billion, nine hundred three million, five hundred four thousand, five hundred sixty-one".