10534543561 has 8 divisors (see below), whose sum is σ = 11171581344. Its totient is φ = 9899434560.

The previous prime is 10534543549. The next prime is 10534543571. The reversal of 10534543561 is 16534543501.

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

It is not a de Polignac number, because 10534543561 - 2⁷ = 10534543433 is a prime.

It is a super-2 number, since 2×10534543561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10534543561.

It is not an unprimeable number, because it can be changed into a prime (10534543571) 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, 470935 + ... + 492796.

It is an arithmetic number, because the mean of its divisors is an integer number (1396447668).

Almost surely, 2^10534543561 is an apocalyptic number.

It is an amenable number.

10534543561 is a deficient number, since it is larger than the sum of its proper divisors (637037783).

10534543561 is an equidigital number, since it uses as much as digits as its factorization.

10534543561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964391.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 10534543561 in words is "ten billion, five hundred thirty-four million, five hundred forty-three thousand, five hundred sixty-one".