5561311072 has 12 divisors (see below), whose sum is σ = 10948831236. Its totient is φ = 2780655520.

The previous prime is 5561310973. The next prime is 5561311109. The reversal of 5561311072 is 2701131655.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 86895454 + ... + 86895517.

It is an arithmetic number, because the mean of its divisors is an integer number (912402603).

Almost surely, 2^5561311072 is an apocalyptic number.

It is an amenable number.

5561311072 is a deficient number, since it is larger than the sum of its proper divisors (5387520164).

5561311072 is a wasteful number, since it uses less digits than its factorization.

5561311072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173790981 (or 173790973 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 5561311072 is about 74574.1984335065. The cubic root of 5561311072 is about 1771.7090191032.

The spelling of 5561311072 in words is "five billion, five hundred sixty-one million, three hundred eleven thousand, seventy-two".