7111042929 has 9 divisors (see below), whose sum is σ = 10271871883. Its totient is φ = 4740526632.

The previous prime is 7111042927. The next prime is 7111042943. The reversal of 7111042929 is 9292401117.

The square root of 7111042929 is 84327.

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

It can be written as a sum of positive squares in only one way, i.e., 24770529 + 7086272400 = 4977^2 + 84180^2 .

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

It is not a de Polignac number, because 7111042929 - 2¹ = 7111042927 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7111042893 and 7111042902.

It is not an unprimeable number, because it can be changed into a prime (7111042927) 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, 238927 + ... + 267035.

Almost surely, 2^7111042929 is an apocalyptic number.

7111042929 is the 84327-th square number.

7111042929 is the 42164-th centered octagonal number.

It is an amenable number.

7111042929 is a deficient number, since it is larger than the sum of its proper divisors (3160828954).

7111042929 is an frugal number, since it uses more digits than its factorization.

7111042929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56224 (or 28112 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The cubic root of 7111042929 is about 1922.9932810806.

Multiplying 7111042929 by its sum of digits (36), we get a square (255997545444 = 505962²).

The spelling of 7111042929 in words is "seven billion, one hundred eleven million, forty-two thousand, nine hundred twenty-nine".