5561161510 has 16 divisors (see below), whose sum is σ = 10355266800. Its totient is φ = 2147758816.

The previous prime is 5561161493. The next prime is 5561161511. The reversal of 5561161510 is 151611655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561161511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9587920 + ... + 9588499.

It is an arithmetic number, because the mean of its divisors is an integer number (647204175).

Almost surely, 2^5561161510 is an apocalyptic number.

5561161510 is a deficient number, since it is larger than the sum of its proper divisors (4794105290).

5561161510 is a wasteful number, since it uses less digits than its factorization.

5561161510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19176455.

The product of its (nonzero) digits is 4500, while the sum is 31.

The square root of 5561161510 is about 74573.1956536663. The cubic root of 5561161510 is about 1771.6931365942.

The spelling of 5561161510 in words is "five billion, five hundred sixty-one million, one hundred sixty-one thousand, five hundred ten".