1141997113 has 2 divisors, whose sum is σ = 1141997114. Its totient is φ = 1141997112.

The previous prime is 1141997029. The next prime is 1141997137. The reversal of 1141997113 is 3117991411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 740275264 + 401721849 = 27208^2 + 20043^2 .

It is a cyclic number.

It is not a de Polignac number, because 1141997113 - 2²⁹ = 605126201 is a prime.

It is a super-2 number, since 2×1141997113² = 2608314812200669538, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1141937113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570998556 + 570998557.

It is an arithmetic number, because the mean of its divisors is an integer number (570998557).

Almost surely, 2^1141997113 is an apocalyptic number.

It is an amenable number.

1141997113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1141997113 is an equidigital number, since it uses as much as digits as its factorization.

1141997113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 37.

The square root of 1141997113 is about 33793.4477820775. The cubic root of 1141997113 is about 1045.2535919890.

The spelling of 1141997113 in words is "one billion, one hundred forty-one million, nine hundred ninety-seven thousand, one hundred thirteen".