1061110550556 has 36 divisors (see below), whose sum is σ = 3065430480112. Its totient is φ = 303174442944.

The previous prime is 1061110550497. The next prime is 1061110550557. The reversal of 1061110550556 is 6550550111601.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1061110550556² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1061110550556.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2105377825 + ... + 2105378328.

Almost surely, 2^{1061110550556} is an apocalyptic number.

It is an amenable number.

1061110550556 is an abundant number, since it is smaller than the sum of its proper divisors (2004319929556).

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

1061110550556 is a wasteful number, since it uses less digits than its factorization.

1061110550556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4210756170 (or 4210756165 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 1061110550556 in words is "one trillion, sixty-one billion, one hundred ten million, five hundred fifty thousand, five hundred fifty-six".