5661135355 has 4 divisors (see below), whose sum is σ = 6793362432. Its totient is φ = 4528908280.

The previous prime is 5661135341. The next prime is 5661135377. The reversal of 5661135355 is 5535311665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5661135355 - 2⁵ = 5661135323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566113531 + ... + 566113540.

It is an arithmetic number, because the mean of its divisors is an integer number (1698340608).

Almost surely, 2^5661135355 is an apocalyptic number.

5661135355 is a deficient number, since it is larger than the sum of its proper divisors (1132227077).

5661135355 is a wasteful number, since it uses less digits than its factorization.

5661135355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132227076.

The product of its digits is 202500, while the sum is 40.

The square root of 5661135355 is about 75240.5167114102. The cubic root of 5661135355 is about 1782.2468108497.

The spelling of 5661135355 in words is "five billion, six hundred sixty-one million, one hundred thirty-five thousand, three hundred fifty-five".