7113555642 has 16 divisors (see below), whose sum is σ = 14228137152. Its totient is φ = 2371014240.

The previous prime is 7113555577. The next prime is 7113555649. The reversal of 7113555642 is 2465553117.

It is a self number, because there is not a number n which added to its sum of digits gives 7113555642.

It is not an unprimeable number, because it can be changed into a prime (7113555649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70467 + ... + 138537.

It is an arithmetic number, because the mean of its divisors is an integer number (889258572).

Almost surely, 2^7113555642 is an apocalyptic number.

7113555642 is an abundant number, since it is smaller than the sum of its proper divisors (7114581510).

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

7113555642 is a wasteful number, since it uses less digits than its factorization.

7113555642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85493.

The product of its digits is 126000, while the sum is 39.

The square root of 7113555642 is about 84341.8973108858. The cubic root of 7113555642 is about 1923.2197533084.

The spelling of 7113555642 in words is "seven billion, one hundred thirteen million, five hundred fifty-five thousand, six hundred forty-two".