11561045635 has 8 divisors (see below), whose sum is σ = 13924449216. Its totient is φ = 9214706880.

The previous prime is 11561045633. The next prime is 11561045723. The reversal of 11561045635 is 53654016511.

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

It is not a de Polignac number, because 11561045635 - 2¹ = 11561045633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11561045594 and 11561045603.

It is not an unprimeable number, because it can be changed into a prime (11561045633) 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, 4264714 + ... + 4267423.

It is an arithmetic number, because the mean of its divisors is an integer number (1740556152).

Almost surely, 2^11561045635 is an apocalyptic number.

11561045635 is a deficient number, since it is larger than the sum of its proper divisors (2363403581).

11561045635 is an equidigital number, since it uses as much as digits as its factorization.

11561045635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8532413.

The product of its (nonzero) digits is 54000, while the sum is 37.

The spelling of 11561045635 in words is "eleven billion, five hundred sixty-one million, forty-five thousand, six hundred thirty-five".