1172073409577 has 8 divisors (see below), whose sum is σ = 1418307319296. Its totient is φ = 945538212672.

The previous prime is 1172073409537. The next prime is 1172073409589. The reversal of 1172073409577 is 7759043702711.

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 1172073409577 - 2¹⁸ = 1172073147433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1172073409537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4924678073 + ... + 4924678310.

It is an arithmetic number, because the mean of its divisors is an integer number (177288414912).

Almost surely, 2^{1172073409577} is an apocalyptic number.

1172073409577 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1172073409577 is a deficient number, since it is larger than the sum of its proper divisors (246233909719).

1172073409577 is an equidigital number, since it uses as much as digits as its factorization.

1172073409577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9849356407.

The product of its (nonzero) digits is 2593080, while the sum is 53.

The spelling of 1172073409577 in words is "one trillion, one hundred seventy-two billion, seventy-three million, four hundred nine thousand, five hundred seventy-seven".