7111407345 has 16 divisors (see below), whose sum is σ = 13003716480. Its totient is φ = 3250929024.

The previous prime is 7111407323. The next prime is 7111407349. The reversal of 7111407345 is 5437041117.

It is a happy number.

It is not a de Polignac number, because 7111407345 - 2⁵ = 7111407313 is a prime.

It is a super-2 number, since 2×7111407345² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7111407349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33863740 + ... + 33863949.

It is an arithmetic number, because the mean of its divisors is an integer number (812732280).

Almost surely, 2^7111407345 is an apocalyptic number.

It is an amenable number.

7111407345 is a deficient number, since it is larger than the sum of its proper divisors (5892309135).

7111407345 is a wasteful number, since it uses less digits than its factorization.

7111407345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67727704.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 7111407345 is about 84329.1607037566. The cubic root of 7111407345 is about 1923.0261294057.

The spelling of 7111407345 in words is "seven billion, one hundred eleven million, four hundred seven thousand, three hundred forty-five".