5561011535 has 4 divisors (see below), whose sum is σ = 6673213848. Its totient is φ = 4448809224.

The previous prime is 5561011517. The next prime is 5561011543. The reversal of 5561011535 is 5351101655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5351101655 = 5 ⋅1070220331.

It is a cyclic number.

It is not a de Polignac number, because 5561011535 - 2⁸ = 5561011279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556101149 + ... + 556101158.

It is an arithmetic number, because the mean of its divisors is an integer number (1668303462).

Almost surely, 2^5561011535 is an apocalyptic number.

5561011535 is a deficient number, since it is larger than the sum of its proper divisors (1112202313).

5561011535 is a wasteful number, since it uses less digits than its factorization.

5561011535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112202312.

The product of its (nonzero) digits is 11250, while the sum is 32.

The square root of 5561011535 is about 74572.1900912130. The cubic root of 5561011535 is about 1771.6772099413.

The spelling of 5561011535 in words is "five billion, five hundred sixty-one million, eleven thousand, five hundred thirty-five".