7111134825840 has 80 divisors (see below), whose sum is σ = 24493908852000. Its totient is φ = 1896302619648.

The previous prime is 7111134825799. The next prime is 7111134825841. The reversal of 7111134825840 is 485284311117.

7111134825840 is a `hidden beast` number, since 7 + 1 + 1 + 11 + 348 + 258 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×7111134825840² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7111134825841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1646093865 + ... + 1646098184.

It is an arithmetic number, because the mean of its divisors is an integer number (306173860650).

Almost surely, 2^{7111134825840} is an apocalyptic number.

It is an amenable number.

7111134825840 is an abundant number, since it is smaller than the sum of its proper divisors (17382774026160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7111134825840 is a wasteful number, since it uses less digits than its factorization.

7111134825840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292192071 (or 3292192059 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 7111134825840 in words is "seven trillion, one hundred eleven billion, one hundred thirty-four million, eight hundred twenty-five thousand, eight hundred forty".