5661215535 has 16 divisors (see below), whose sum is σ = 9074047104. Its totient is φ = 3013947552.

The previous prime is 5661215533. The next prime is 5661215557. The reversal of 5661215535 is 5355121665.

It is not a de Polignac number, because 5661215535 - 2¹ = 5661215533 is a prime.

It is a super-2 number, since 2×5661215535² = 64098722667450672450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5661215493 and 5661215502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661215531) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 326737 + ... + 343626.

It is an arithmetic number, because the mean of its divisors is an integer number (567127944).

Almost surely, 2^5661215535 is an apocalyptic number.

5661215535 is a deficient number, since it is larger than the sum of its proper divisors (3412831569).

5661215535 is a wasteful number, since it uses less digits than its factorization.

5661215535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670934.

The product of its digits is 135000, while the sum is 39.

The square root of 5661215535 is about 75241.0495341472. The cubic root of 5661215535 is about 1782.2552249378.

The spelling of 5661215535 in words is "five billion, six hundred sixty-one million, two hundred fifteen thousand, five hundred thirty-five".