61101000549 has 12 divisors (see below), whose sum is σ = 88315430112. Its totient is φ = 40707033000.

The previous prime is 61101000533. The next prime is 61101000553. The reversal of 61101000549 is 94500010116.

61101000549 is a `hidden beast` number, since 6 + 1 + 10 + 100 + 0 + 549 = 666.

It is not a de Polignac number, because 61101000549 - 2⁴ = 61101000533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101000529) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2232927 + ... + 2260124.

It is an arithmetic number, because the mean of its divisors is an integer number (7359619176).

Almost surely, 2^61101000549 is an apocalyptic number.

It is an amenable number.

61101000549 is a deficient number, since it is larger than the sum of its proper divisors (27214429563).

61101000549 is a wasteful number, since it uses less digits than its factorization.

61101000549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494568 (or 4494565 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The spelling of 61101000549 in words is "sixty-one billion, one hundred one million, five hundred forty-nine", and thus it is an aban number.