1162115447 has 2 divisors, whose sum is σ = 1162115448. Its totient is φ = 1162115446.

The previous prime is 1162115431. The next prime is 1162115483. The reversal of 1162115447 is 7445112611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1162115447 - 2⁴ = 1162115431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1162115497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581057723 + 581057724.

It is an arithmetic number, because the mean of its divisors is an integer number (581057724).

Almost surely, 2^1162115447 is an apocalyptic number.

1162115447 is a deficient number, since it is larger than the sum of its proper divisors (1).

1162115447 is an equidigital number, since it uses as much as digits as its factorization.

1162115447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 32.

The square root of 1162115447 is about 34089.8144172127. The cubic root of 1162115447 is about 1051.3559042500.

The spelling of 1162115447 in words is "one billion, one hundred sixty-two million, one hundred fifteen thousand, four hundred forty-seven".