1156317049394 has 8 divisors (see below), whose sum is σ = 1867896772140. Its totient is φ = 533684792016.

The previous prime is 1156317049379. The next prime is 1156317049397. The reversal of 1156317049394 is 4939407136511.

It can be written as a sum of positive squares in 2 ways, for example, as 1024012444225 + 132304605169 = 1011935^2 + 363737^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1156317049397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22236866309 + ... + 22236866360.

Almost surely, 2^{1156317049394} is an apocalyptic number.

1156317049394 is a deficient number, since it is larger than the sum of its proper divisors (711579722746).

1156317049394 is a wasteful number, since it uses less digits than its factorization.

1156317049394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44473732684.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The spelling of 1156317049394 in words is "one trillion, one hundred fifty-six billion, three hundred seventeen million, forty-nine thousand, three hundred ninety-four".