10556050005551 has 16 divisors (see below), whose sum is σ = 10919176366080. Its totient is φ = 10199320541280.

The previous prime is 10556050005547. The next prime is 10556050005569. The reversal of 10556050005551 is 15550005065501.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10556050005551 - 2² = 10556050005547 is a prime.

It is a super-2 number, since 2×10556050005551² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10556050002551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3670730 + ... + 5881016.

It is an arithmetic number, because the mean of its divisors is an integer number (682448522880).

Almost surely, 2^{10556050005551} is an apocalyptic number.

10556050005551 is a deficient number, since it is larger than the sum of its proper divisors (363126360529).

10556050005551 is a wasteful number, since it uses less digits than its factorization.

10556050005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211734.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 10556050005551 in words is "ten trillion, five hundred fifty-six billion, fifty million, five thousand, five hundred fifty-one".