1151111363 has 4 divisors (see below), whose sum is σ = 1160175360. Its totient is φ = 1142047368.

The previous prime is 1151111347. The next prime is 1151111369. The reversal of 1151111363 is 3631111511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3631111511 = 46649 ⋅77839.

It is a cyclic number.

It is not a de Polignac number, because 1151111363 - 2⁴ = 1151111347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151111369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4531808 + ... + 4532061.

It is an arithmetic number, because the mean of its divisors is an integer number (290043840).

Almost surely, 2^1151111363 is an apocalyptic number.

1151111363 is a deficient number, since it is larger than the sum of its proper divisors (9063997).

1151111363 is an equidigital number, since it uses as much as digits as its factorization.

1151111363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9063996.

The product of its digits is 270, while the sum is 23.

The square root of 1151111363 is about 33928.0321121046. The cubic root of 1151111363 is about 1048.0269411499.

Adding to 1151111363 its reverse (3631111511), we get a palindrome (4782222874).

The spelling of 1151111363 in words is "one billion, one hundred fifty-one million, one hundred eleven thousand, three hundred sixty-three".