10355698561 has 4 divisors (see below), whose sum is σ = 11152290772. Its totient is φ = 9559106352.

The previous prime is 10355698553. The next prime is 10355698601. The reversal of 10355698561 is 16589655301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 874976400 + 9480722161 = 29580^2 + 97369^2 .

It is a cyclic number.

It is not a de Polignac number, because 10355698561 - 2³ = 10355698553 is a prime.

It is a super-3 number, since 3×10355698561³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10355698501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398296086 + ... + 398296111.

It is an arithmetic number, because the mean of its divisors is an integer number (2788072693).

Almost surely, 2^10355698561 is an apocalyptic number.

It is an amenable number.

10355698561 is a deficient number, since it is larger than the sum of its proper divisors (796592211).

10355698561 is an equidigital number, since it uses as much as digits as its factorization.

10355698561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796592210.

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 10355698561 in words is "ten billion, three hundred fifty-five million, six hundred ninety-eight thousand, five hundred sixty-one".