11029911119161 has 27 divisors (see below), whose sum is σ = 12674791621093. Its totient is φ = 9590496411320.

The previous prime is 11029911119081. The next prime is 11029911119167. The reversal of 11029911119161 is 16191111992011.

It is a happy number.

The square root of 11029911119161 is 3321131.

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

It is not a de Polignac number, because 11029911119161 - 2⁷ = 11029911119033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11029911119167) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 840239580 + ... + 840252706.

Almost surely, 2^{11029911119161} is an apocalyptic number.

11029911119161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11029911119161 is the 3321131-st square number.

11029911119161 is the 1660566-th centered octagonal number.

It is an amenable number.

11029911119161 is a deficient number, since it is larger than the sum of its proper divisors (1644880501932).

11029911119161 is an frugal number, since it uses more digits than its factorization.

11029911119161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26322 (or 13161 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 43.

The spelling of 11029911119161 in words is "eleven trillion, twenty-nine billion, nine hundred eleven million, one hundred nineteen thousand, one hundred sixty-one".