1151110819 has 2 divisors, whose sum is σ = 1151110820. Its totient is φ = 1151110818.

The previous prime is 1151110769. The next prime is 1151110823. The reversal of 1151110819 is 9180111511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9180111511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1151110819 - 2⁷ = 1151110691 is a prime.

It is a super-2 number, since 2×1151110819² = 2650112235237701522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1151110889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575555409 + 575555410.

It is an arithmetic number, because the mean of its divisors is an integer number (575555410).

Almost surely, 2^1151110819 is an apocalyptic number.

1151110819 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151110819 is an equidigital number, since it uses as much as digits as its factorization.

1151110819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 28.

The square root of 1151110819 is about 33928.0240951341. The cubic root of 1151110819 is about 1048.0267760553.

The spelling of 1151110819 in words is "one billion, one hundred fifty-one million, one hundred ten thousand, eight hundred nineteen".