1157095691 has 2 divisors, whose sum is σ = 1157095692. Its totient is φ = 1157095690.

The previous prime is 1157095663. The next prime is 1157095721. The reversal of 1157095691 is 1965907511.

It is a weak prime.

It is an emirp because it is prime and its reverse (1965907511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1157095691 - 2¹⁸ = 1156833547 is a prime.

It is not a weakly prime, because it can be changed into another prime (1157095651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578547845 + 578547846.

It is an arithmetic number, because the mean of its divisors is an integer number (578547846).

Almost surely, 2^1157095691 is an apocalyptic number.

1157095691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1157095691 is an equidigital number, since it uses as much as digits as its factorization.

1157095691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 85050, while the sum is 44.

The square root of 1157095691 is about 34016.1092866307. The cubic root of 1157095691 is about 1049.8399426474.

The spelling of 1157095691 in words is "one billion, one hundred fifty-seven million, ninety-five thousand, six hundred ninety-one".