1157289023243 has 16 divisors (see below), whose sum is σ = 1182533147136. Its totient is φ = 1132305145920.

The previous prime is 1157289023239. The next prime is 1157289023257. The reversal of 1157289023243 is 3423209827511.

It is a cyclic number.

It is not a de Polignac number, because 1157289023243 - 2² = 1157289023239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1157289023203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27740546 + ... + 27782232.

It is an arithmetic number, because the mean of its divisors is an integer number (73908321696).

Almost surely, 2^{1157289023243} is an apocalyptic number.

1157289023243 is a deficient number, since it is larger than the sum of its proper divisors (25244123893).

1157289023243 is a wasteful number, since it uses less digits than its factorization.

1157289023243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44794.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 1157289023243 in words is "one trillion, one hundred fifty-seven billion, two hundred eighty-nine million, twenty-three thousand, two hundred forty-three".