1150378111 has 2 divisors, whose sum is σ = 1150378112. Its totient is φ = 1150378110.

The previous prime is 1150378109. The next prime is 1150378121. The reversal of 1150378111 is 1118730511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1150378111 - 2¹ = 1150378109 is a prime.

Together with 1150378109, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1150378111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1150378121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575189055 + 575189056.

It is an arithmetic number, because the mean of its divisors is an integer number (575189056).

Almost surely, 2^1150378111 is an apocalyptic number.

1150378111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1150378111 is an equidigital number, since it uses as much as digits as its factorization.

1150378111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 28.

The square root of 1150378111 is about 33917.2244000007. The cubic root of 1150378111 is about 1047.8043646315.

The spelling of 1150378111 in words is "one billion, one hundred fifty million, three hundred seventy-eight thousand, one hundred eleven".