1051806131776 has 63 divisors (see below), whose sum is σ = 2217469080547. Its totient is φ = 494901954560.

The previous prime is 1051806131773. The next prime is 1051806131821. The reversal of 1051806131776 is 6771316081501.

The square root of 1051806131776 is 1025576.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 22344270400 + 1029461861376 = 149480^2 + 1014624^2 .

It is a super-2 number, since 2×1051806131776² (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 (1051806131773) 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 8 ways as a sum of consecutive naturals, for example, 139474566 + ... + 139482106.

Almost surely, 2^{1051806131776} is an apocalyptic number.

1051806131776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1051806131776 is the 1025576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051806131776

1051806131776 is an abundant number, since it is smaller than the sum of its proper divisors (1165662948771).

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

1051806131776 is an frugal number, since it uses more digits than its factorization.

1051806131776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15128 (or 7560 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 1051806131776 in words is "one trillion, fifty-one billion, eight hundred six million, one hundred thirty-one thousand, seven hundred seventy-six".