1151822169 has 12 divisors (see below), whose sum is σ = 1669625776. Its totient is φ = 765166392.

The previous prime is 1151822153. The next prime is 1151822207. The reversal of 1151822169 is 9612281511.

It is not a de Polignac number, because 1151822169 - 2⁴ = 1151822153 is a prime.

It is a super-2 number, since 2×1151822169² = 2653388617999729122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1151822669) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 223567 + ... + 228660.

Almost surely, 2^1151822169 is an apocalyptic number.

It is an amenable number.

1151822169 is a deficient number, since it is larger than the sum of its proper divisors (517803607).

1151822169 is a wasteful number, since it uses less digits than its factorization.

1151822169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452516 (or 452513 counting only the distinct ones).

The product of its digits is 8640, while the sum is 36.

The square root of 1151822169 is about 33938.5056978058. The cubic root of 1151822169 is about 1048.2426140440.

The spelling of 1151822169 in words is "one billion, one hundred fifty-one million, eight hundred twenty-two thousand, one hundred sixty-nine".