1161359623378 has 8 divisors (see below), whose sum is σ = 1749515999868. Its totient is φ = 578187623424.

The previous prime is 1161359623309. The next prime is 1161359623397. The reversal of 1161359623378 is 8733269531611.

It can be written as a sum of positive squares in 2 ways, for example, as 1160689486609 + 670136769 = 1077353^2 + 25887^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1246093551 + ... + 1246094482.

Almost surely, 2^{1161359623378} is an apocalyptic number.

1161359623378 is a deficient number, since it is larger than the sum of its proper divisors (588156376490).

1161359623378 is a wasteful number, since it uses less digits than its factorization.

1161359623378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2492188268.

The product of its digits is 4898880, while the sum is 55.

The spelling of 1161359623378 in words is "one trillion, one hundred sixty-one billion, three hundred fifty-nine million, six hundred twenty-three thousand, three hundred seventy-eight".