1151394143 has 2 divisors, whose sum is σ = 1151394144. Its totient is φ = 1151394142.

The previous prime is 1151394137. The next prime is 1151394193. The reversal of 1151394143 is 3414931511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151394143 - 2²² = 1147199839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151394113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575697071 + 575697072.

It is an arithmetic number, because the mean of its divisors is an integer number (575697072).

Almost surely, 2^1151394143 is an apocalyptic number.

1151394143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151394143 is an equidigital number, since it uses as much as digits as its factorization.

1151394143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 32.

The square root of 1151394143 is about 33932.1992066533. The cubic root of 1151394143 is about 1048.1127529440.

The spelling of 1151394143 in words is "one billion, one hundred fifty-one million, three hundred ninety-four thousand, one hundred forty-three".