1051061010556 has 24 divisors (see below), whose sum is σ = 1961565424560. Its totient is φ = 491058546432.

The previous prime is 1051061010551. The next prime is 1051061010557. The reversal of 1051061010556 is 6550101601501.

It is a super-2 number, since 2×1051061010556² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051061010551) 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 7 ways as a sum of consecutive naturals, for example, 55590475 + ... + 55609378.

It is an arithmetic number, because the mean of its divisors is an integer number (81731892690).

Almost surely, 2^{1051061010556} is an apocalyptic number.

It is an amenable number.

1051061010556 is a deficient number, since it is larger than the sum of its proper divisors (910504414004).

1051061010556 is a wasteful number, since it uses less digits than its factorization.

1051061010556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111200013 (or 111200011 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 1051061010556 in words is "one trillion, fifty-one billion, sixty-one million, ten thousand, five hundred fifty-six".