1061111060556 has 24 divisors (see below), whose sum is σ = 2478828441264. Its totient is φ = 353289024960.

The previous prime is 1061111060551. The next prime is 1061111060557. The reversal of 1061111060556 is 6550601111601.

It is a super-2 number, since 2×1061111060556² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061111060551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51822075 + ... + 51842546.

It is an arithmetic number, because the mean of its divisors is an integer number (103284518386).

Almost surely, 2^{1061111060556} is an apocalyptic number.

It is an amenable number.

1061111060556 is an abundant number, since it is smaller than the sum of its proper divisors (1417717380708).

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

1061111060556 is a wasteful number, since it uses less digits than its factorization.

1061111060556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103665481 (or 103665479 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 33.

The spelling of 1061111060556 in words is "one trillion, sixty-one billion, one hundred eleven million, sixty thousand, five hundred fifty-six".