1771051605136 has 20 divisors (see below), whose sum is σ = 3743359074864. Its totient is φ = 805023456800.

The previous prime is 1771051605121. The next prime is 1771051605139. The reversal of 1771051605136 is 6315061501771.

It is a junction number, because it is equal to n+sod(n) for n = 1771051605092 and 1771051605101.

It is not an unprimeable number, because it can be changed into a prime (1771051605139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5031396430 + ... + 5031396781.

Almost surely, 2^{1771051605136} is an apocalyptic number.

1771051605136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1771051605136 is an abundant number, since it is smaller than the sum of its proper divisors (1972307469728).

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

1771051605136 is a wasteful number, since it uses less digits than its factorization.

1771051605136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10062793230 (or 10062793224 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 43.

The spelling of 1771051605136 in words is "one trillion, seven hundred seventy-one billion, fifty-one million, six hundred five thousand, one hundred thirty-six".