1161383499 has 12 divisors (see below), whose sum is σ = 1700535096. Its totient is φ = 763648992.

The previous prime is 1161383497. The next prime is 1161383501. The reversal of 1161383499 is 9943831611.

It is an interprime number because it is at equal distance from previous prime (1161383497) and next prime (1161383501).

It is not a de Polignac number, because 1161383499 - 2¹ = 1161383497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1161383497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 883197 + ... + 884510.

It is an arithmetic number, because the mean of its divisors is an integer number (141711258).

Almost surely, 2^1161383499 is an apocalyptic number.

1161383499 is a deficient number, since it is larger than the sum of its proper divisors (539151597).

1161383499 is a wasteful number, since it uses less digits than its factorization.

1161383499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767786 (or 1767783 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1161383499 is about 34079.0771441951. The cubic root of 1161383499 is about 1051.1351288608.

The spelling of 1161383499 in words is "one billion, one hundred sixty-one million, three hundred eighty-three thousand, four hundred ninety-nine".