5561100156 has 12 divisors (see below), whose sum is σ = 12975900392. Its totient is φ = 1853700048.

The previous prime is 5561100143. The next prime is 5561100227. The reversal of 5561100156 is 6510011655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231712495 + ... + 231712518.

Almost surely, 2^5561100156 is an apocalyptic number.

It is an amenable number.

5561100156 is an abundant number, since it is smaller than the sum of its proper divisors (7414800236).

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

5561100156 is a wasteful number, since it uses less digits than its factorization.

5561100156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463425020 (or 463425018 counting only the distinct ones).

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

The square root of 5561100156 is about 74572.7842848851. The cubic root of 5561100156 is about 1771.6866211172.

The spelling of 5561100156 in words is "five billion, five hundred sixty-one million, one hundred thousand, one hundred fifty-six".