5661105510 has 16 divisors (see below), whose sum is σ = 13586653296. Its totient is φ = 1509628128.

The previous prime is 5661105479. The next prime is 5661105511. The reversal of 5661105510 is 155011665.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 188703517 = 5661105510 / (5 + 6 + 6 + 1 + 1 + 0 + 5 + 5 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661105511) 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, 94351729 + ... + 94351788.

It is an arithmetic number, because the mean of its divisors is an integer number (849165831).

Almost surely, 2^5661105510 is an apocalyptic number.

5661105510 is an abundant number, since it is smaller than the sum of its proper divisors (7925547786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5661105510 is a wasteful number, since it uses less digits than its factorization.

5661105510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188703527.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 5661105510 is about 75240.3183805066. The cubic root of 5661105510 is about 1782.2436788955.

The spelling of 5661105510 in words is "five billion, six hundred sixty-one million, one hundred five thousand, five hundred ten".