1161070332577 has 12 divisors (see below), whose sum is σ = 1177492582524. Its totient is φ = 1144874113920.

The previous prime is 1161070332533. The next prime is 1161070332599. The reversal of 1161070332577 is 7752330701611.

It can be written as a sum of positive squares in 6 ways, for example, as 337984100496 + 823086232081 = 581364^2 + 907241^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1161070332577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161074332577) 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 11 ways as a sum of consecutive naturals, for example, 22681303 + ... + 22732435.

It is an arithmetic number, because the mean of its divisors is an integer number (98124381877).

Almost surely, 2^{1161070332577} is an apocalyptic number.

It is an amenable number.

1161070332577 is a deficient number, since it is larger than the sum of its proper divisors (16422249947).

1161070332577 is an frugal number, since it uses more digits than its factorization.

1161070332577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55540 (or 55467 counting only the distinct ones).

The product of its (nonzero) digits is 185220, while the sum is 43.

The spelling of 1161070332577 in words is "one trillion, one hundred sixty-one billion, seventy million, three hundred thirty-two thousand, five hundred seventy-seven".