1161942328479 has 8 divisors (see below), whose sum is σ = 1616615413632. Its totient is φ = 740948731160.

The previous prime is 1161942328439. The next prime is 1161942328517. The reversal of 1161942328479 is 9748232491611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161942328479 - 2⁹ = 1161942327967 is a prime.

It is a super-2 number, since 2×1161942328479² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161942328409) 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 7 ways as a sum of consecutive naturals, for example, 8419871877 + ... + 8419872014.

It is an arithmetic number, because the mean of its divisors is an integer number (202076926704).

Almost surely, 2^{1161942328479} is an apocalyptic number.

1161942328479 is a deficient number, since it is larger than the sum of its proper divisors (454673085153).

1161942328479 is a wasteful number, since it uses less digits than its factorization.

1161942328479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16839743917.

The product of its digits is 5225472, while the sum is 57.

The spelling of 1161942328479 in words is "one trillion, one hundred sixty-one billion, nine hundred forty-two million, three hundred twenty-eight thousand, four hundred seventy-nine".