7115287142 has 8 divisors (see below), whose sum is σ = 10921138536. Its totient is φ = 3474907632.

The previous prime is 7115287093. The next prime is 7115287147. The reversal of 7115287142 is 2417825117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×7115287142² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7115287096 and 7115287105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115287147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41367863 + ... + 41368034.

It is an arithmetic number, because the mean of its divisors is an integer number (1365142317).

Almost surely, 2^7115287142 is an apocalyptic number.

7115287142 is a deficient number, since it is larger than the sum of its proper divisors (3805851394).

7115287142 is a wasteful number, since it uses less digits than its factorization.

7115287142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82735942.

The product of its digits is 31360, while the sum is 38.

The square root of 7115287142 is about 84352.1614542271. The cubic root of 7115287142 is about 1923.3757833361.

The spelling of 7115287142 in words is "seven billion, one hundred fifteen million, two hundred eighty-seven thousand, one hundred forty-two".