10555561050111 has 24 divisors (see below), whose sum is σ = 19009148905344. Its totient is φ = 5483408337360.

The previous prime is 10555561050107. The next prime is 10555561050121. The reversal of 10555561050111 is 11105016555501.

10555561050111 is a `hidden beast` number, since 1 + 0 + 55 + 556 + 1 + 0 + 50 + 1 + 1 + 1 = 666.

It is not a de Polignac number, because 10555561050111 - 2² = 10555561050107 is a prime.

It is a super-2 number, since 2×10555561050111² (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 (10555561050101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7615844221 + ... + 7615845606.

It is an arithmetic number, because the mean of its divisors is an integer number (792047871056).

Almost surely, 2^{10555561050111} is an apocalyptic number.

10555561050111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10555561050111 is a deficient number, since it is larger than the sum of its proper divisors (8453587855233).

10555561050111 is a wasteful number, since it uses less digits than its factorization.

10555561050111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15231689851 (or 15231689848 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 36.

The spelling of 10555561050111 in words is "ten trillion, five hundred fifty-five billion, five hundred sixty-one million, fifty thousand, one hundred eleven".