1177320361553 has 8 divisors (see below), whose sum is σ = 1345795849920. Its totient is φ = 1008916589520.

The previous prime is 1177320361523. The next prime is 1177320361559. The reversal of 1177320361553 is 3551630237711.

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

It is not a de Polignac number, because 1177320361553 - 2⁶ = 1177320361489 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1177320361559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17893898 + ... + 17959571.

It is an arithmetic number, because the mean of its divisors is an integer number (168224481240).

Almost surely, 2^{1177320361553} is an apocalyptic number.

It is an amenable number.

1177320361553 is a deficient number, since it is larger than the sum of its proper divisors (168475488367).

1177320361553 is an equidigital number, since it uses as much as digits as its factorization.

1177320361553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35858167.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 1177320361553 in words is "one trillion, one hundred seventy-seven billion, three hundred twenty million, three hundred sixty-one thousand, five hundred fifty-three".