5561620099 has 12 divisors (see below), whose sum is σ = 6495429528. Its totient is φ = 4748100000.

The previous prime is 5561620081. The next prime is 5561620139. The reversal of 5561620099 is 9900261655.

It is not a de Polignac number, because 5561620099 - 2²³ = 5553231491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5561620019) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 213802 + ... + 238399.

It is an arithmetic number, because the mean of its divisors is an integer number (541285794).

Almost surely, 2^5561620099 is an apocalyptic number.

5561620099 is a deficient number, since it is larger than the sum of its proper divisors (933809429).

5561620099 is a wasteful number, since it uses less digits than its factorization.

5561620099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452466 (or 452459 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The square root of 5561620099 is about 74576.2703478794. The cubic root of 5561620099 is about 1771.7418348533.

The spelling of 5561620099 in words is "five billion, five hundred sixty-one million, six hundred twenty thousand, ninety-nine".