1111356899 has 2 divisors, whose sum is σ = 1111356900. Its totient is φ = 1111356898.

The previous prime is 1111356881. The next prime is 1111356943. The reversal of 1111356899 is 9986531111.

It is an a-pointer prime, because the next prime (1111356943) can be obtained adding 1111356899 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111356899 is a prime.

It is a super-2 number, since 2×1111356899² = 2470228313909792402, which contains 22 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (1111355899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555678449 + 555678450.

It is an arithmetic number, because the mean of its divisors is an integer number (555678450).

Almost surely, 2^1111356899 is an apocalyptic number.

1111356899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111356899 is an equidigital number, since it uses as much as digits as its factorization.

1111356899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 44.

The square root of 1111356899 is about 33337.0199477998. The cubic root of 1111356899 is about 1035.8205350324.

The spelling of 1111356899 in words is "one billion, one hundred eleven million, three hundred fifty-six thousand, eight hundred ninety-nine".