1061110550555 has 32 divisors (see below), whose sum is σ = 1403047493568. Its totient is φ = 763964928000.

The previous prime is 1061110550497. The next prime is 1061110550557. The reversal of 1061110550555 is 5550550111601.

1061110550555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1061110550555 - 2¹⁴ = 1061110534171 is a prime.

It is a super-2 number, since 2×1061110550555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1061110550557) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69724307 + ... + 69739523.

It is an arithmetic number, because the mean of its divisors is an integer number (43845234174).

Almost surely, 2^{1061110550555} is an apocalyptic number.

1061110550555 is a deficient number, since it is larger than the sum of its proper divisors (341936943013).

1061110550555 is a wasteful number, since it uses less digits than its factorization.

1061110550555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27887.

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 1061110550555 in words is "one trillion, sixty-one billion, one hundred ten million, five hundred fifty thousand, five hundred fifty-five".