1157289023227 has 2 divisors, whose sum is σ = 1157289023228. Its totient is φ = 1157289023226.

The previous prime is 1157289023203. The next prime is 1157289023239. The reversal of 1157289023227 is 7223209827511.

It is a strong prime.

It is an emirp because it is prime and its reverse (7223209827511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1157289023227 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157289023257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578644511613 + 578644511614.

It is an arithmetic number, because the mean of its divisors is an integer number (578644511614).

Almost surely, 2^{1157289023227} is an apocalyptic number.

1157289023227 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157289023227 is an equidigital number, since it uses as much as digits as its factorization.

1157289023227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 49.

The spelling of 1157289023227 in words is "one trillion, one hundred fifty-seven billion, two hundred eighty-nine million, twenty-three thousand, two hundred twenty-seven".