6561051030 has 56 divisors (see below), whose sum is σ = 17706757392. Its totient is φ = 1749611664.

The previous prime is 6561050989. The next prime is 6561051059. The reversal of 6561051030 is 301501656.

It is a happy number.

6561051030 is a `hidden beast` number, since 6 + 5 + 610 + 5 + 10 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 6561050985 and 6561051003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 442714 + ... + 457293.

Almost surely, 2^6561051030 is an apocalyptic number.

6561051030 is an abundant number, since it is smaller than the sum of its proper divisors (11145706362).

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

6561051030 is an equidigital number, since it uses as much as digits as its factorization.

6561051030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900032 (or 900017 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 6561051030 is about 81000.3149993875. The cubic root of 6561051030 is about 1872.0802942631.

Adding to 6561051030 its reverse (301501656), we get a palindrome (6862552686).

The spelling of 6561051030 in words is "six billion, five hundred sixty-one million, fifty-one thousand, thirty".