5561010511 has 8 divisors (see below), whose sum is σ = 6365746080. Its totient is φ = 4758851328.

The previous prime is 5561010509. The next prime is 5561010551. The reversal of 5561010511 is 1150101655.

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

It is not a de Polignac number, because 5561010511 - 2¹ = 5561010509 is a prime.

It is a super-2 number, since 2×5561010511² = 61849675806904962242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561010551) 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, 639466 + ... + 648103.

It is an arithmetic number, because the mean of its divisors is an integer number (795718260).

Almost surely, 2^5561010511 is an apocalyptic number.

5561010511 is a deficient number, since it is larger than the sum of its proper divisors (804735569).

5561010511 is a wasteful number, since it uses less digits than its factorization.

5561010511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288193.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 5561010511 is about 74572.1832253824. The cubic root of 5561010511 is about 1771.6771011963.

The spelling of 5561010511 in words is "five billion, five hundred sixty-one million, ten thousand, five hundred eleven".