10532111561 has 4 divisors (see below), whose sum is σ = 10777044432. Its totient is φ = 10287178692.

The previous prime is 10532111549. The next prime is 10532111563. The reversal of 10532111561 is 16511123501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10532111561 is a prime.

It is a super-2 number, since 2×10532111561² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10532111561.

It is not an unprimeable number, because it can be changed into a prime (10532111563) 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, 122466371 + ... + 122466456.

It is an arithmetic number, because the mean of its divisors is an integer number (2694261108).

Almost surely, 2^10532111561 is an apocalyptic number.

It is an amenable number.

10532111561 is a deficient number, since it is larger than the sum of its proper divisors (244932871).

10532111561 is an equidigital number, since it uses as much as digits as its factorization.

10532111561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244932870.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 10532111561 in words is "ten billion, five hundred thirty-two million, one hundred eleven thousand, five hundred sixty-one".