1151043164 has 24 divisors (see below), whose sum is σ = 2040987648. Its totient is φ = 567952560.

The previous prime is 1151043163. The next prime is 1151043169. The reversal of 1151043164 is 4613401511.

It is a super-2 number, since 2×1151043164² = 2649800730782261792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151043163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91097 + ... + 102959.

It is an arithmetic number, because the mean of its divisors is an integer number (85041152).

Almost surely, 2^1151043164 is an apocalyptic number.

It is an amenable number.

1151043164 is a deficient number, since it is larger than the sum of its proper divisors (889944484).

1151043164 is a wasteful number, since it uses less digits than its factorization.

1151043164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12183 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1151043164 is about 33927.0270433470. The cubic root of 1151043164 is about 1048.0062435286.

Adding to 1151043164 its reverse (4613401511), we get a palindrome (5764444675).

The spelling of 1151043164 in words is "one billion, one hundred fifty-one million, forty-three thousand, one hundred sixty-four".