1165948742361 has 16 divisors (see below), whose sum is σ = 1679150729984. Its totient is φ = 715377809664.

The previous prime is 1165948742359. The next prime is 1165948742417. The reversal of 1165948742361 is 1632478495611.

It is not a de Polignac number, because 1165948742361 - 2¹ = 1165948742359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1165948742311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44343121 + ... + 44369406.

It is an arithmetic number, because the mean of its divisors is an integer number (104946920624).

Almost surely, 2^{1165948742361} is an apocalyptic number.

It is an amenable number.

1165948742361 is a deficient number, since it is larger than the sum of its proper divisors (513201987623).

1165948742361 is a wasteful number, since it uses less digits than its factorization.

1165948742361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88712880.

The product of its digits is 8709120, while the sum is 57.

The spelling of 1165948742361 in words is "one trillion, one hundred sixty-five billion, nine hundred forty-eight million, seven hundred forty-two thousand, three hundred sixty-one".