61101000550 has 24 divisors (see below), whose sum is σ = 113725256832. Its totient is φ = 24423756000.

The previous prime is 61101000533. The next prime is 61101000553. The reversal of 61101000550 is 5500010116.

It is a super-2 number, since 2×61101000550² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61101000553) 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, 341821 + ... + 488920.

It is an arithmetic number, because the mean of its divisors is an integer number (4738552368).

Almost surely, 2^61101000550 is an apocalyptic number.

61101000550 is a deficient number, since it is larger than the sum of its proper divisors (52624256282).

61101000550 is a wasteful number, since it uses less digits than its factorization.

61101000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832224 (or 832219 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 61101000550 its reverse (5500010116), we get a palindrome (66601010666).

The spelling of 61101000550 in words is "sixty-one billion, one hundred one million, five hundred fifty", and thus it is an aban number.