10556061055550 has 48 divisors (see below), whose sum is σ = 19672560637440. Its totient is φ = 4214192542560.

The previous prime is 10556061055549. The next prime is 10556061055559. The reversal of 10556061055550 is 5555016065501.

It is a super-2 number, since 2×10556061055550² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556061055559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290630291 + ... + 290666609.

It is an arithmetic number, because the mean of its divisors is an integer number (409845013280).

Almost surely, 2^{10556061055550} is an apocalyptic number.

10556061055550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10556061055550 is a deficient number, since it is larger than the sum of its proper divisors (9116499581890).

10556061055550 is a wasteful number, since it uses less digits than its factorization.

10556061055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47505 (or 47500 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 10556061055550 in words is "ten trillion, five hundred fifty-six billion, sixty-one million, fifty-five thousand, five hundred fifty".