1461111199 has 2 divisors, whose sum is σ = 1461111200. Its totient is φ = 1461111198.

The previous prime is 1461111193. The next prime is 1461111209. The reversal of 1461111199 is 9911111641.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1461111199 - 2⁹ = 1461110687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1461111193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730555599 + 730555600.

It is an arithmetic number, because the mean of its divisors is an integer number (730555600).

Almost surely, 2^1461111199 is an apocalyptic number.

1461111199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1461111199 is an equidigital number, since it uses as much as digits as its factorization.

1461111199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 34.

The square root of 1461111199 is about 38224.4842869070. The cubic root of 1461111199 is about 1134.7349284929.

The spelling of 1461111199 in words is "one billion, four hundred sixty-one million, one hundred eleven thousand, one hundred ninety-nine".