1081742764741 has 2 divisors, whose sum is σ = 1081742764742. Its totient is φ = 1081742764740.

The previous prime is 1081742764727. The next prime is 1081742764747. The reversal of 1081742764741 is 1474672471801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 582671162241 + 499071602500 = 763329^2 + 706450^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081742764741 - 2²¹ = 1081740667589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1081742764747) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540871382370 + 540871382371.

It is an arithmetic number, because the mean of its divisors is an integer number (540871382371).

Almost surely, 2^{1081742764741} is an apocalyptic number.

It is an amenable number.

1081742764741 is a deficient number, since it is larger than the sum of its proper divisors (1).

1081742764741 is an equidigital number, since it uses as much as digits as its factorization.

1081742764741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2107392, while the sum is 52.

The spelling of 1081742764741 in words is "one trillion, eighty-one billion, seven hundred forty-two million, seven hundred sixty-four thousand, seven hundred forty-one".