11132993169 has 9 divisors (see below), whose sum is σ = 16081447369. Its totient is φ = 7421784420.

The previous prime is 11132993143. The next prime is 11132993173. The reversal of 11132993169 is 96139923111.

The square root of 11132993169 is 105513.

It is a perfect power (a square), and thus also a powerful number.

11132993169 is a `hidden beast` number, since 1 + 1 + 1 + 329 + 9 + 316 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 11132993169 - 2¹⁵ = 11132960401 is a prime.

It is a super-2 number, since 2×11132993169² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132993129) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 298954 + ... + 334124.

Almost surely, 2^11132993169 is an apocalyptic number.

11132993169 is the 105513-rd square number.

11132993169 is the 52757-th centered octagonal number.

It is an amenable number.

11132993169 is a deficient number, since it is larger than the sum of its proper divisors (4948454200).

11132993169 is an frugal number, since it uses more digits than its factorization.

11132993169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70348 (or 35174 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The spelling of 11132993169 in words is "eleven billion, one hundred thirty-two million, nine hundred ninety-three thousand, one hundred sixty-nine".