7118888953 has 18 divisors (see below), whose sum is σ = 8179972682. Its totient is φ = 6190282560.

The previous prime is 7118888939. The next prime is 7118888957. The reversal of 7118888953 is 3598888117.

It can be written as a sum of positive squares in only one way, i.e., 6719408784 + 399480169 = 81972^2 + 19987^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7118888953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7118888957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8401 + ... + 119617.

Almost surely, 2^7118888953 is an apocalyptic number.

It is an amenable number.

7118888953 is a deficient number, since it is larger than the sum of its proper divisors (1061083729).

7118888953 is a wasteful number, since it uses less digits than its factorization.

7118888953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111285 (or 111251 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 58.

The square root of 7118888953 is about 84373.5085971894. The cubic root of 7118888953 is about 1923.7002709407.

The spelling of 7118888953 in words is "seven billion, one hundred eighteen million, eight hundred eighty-eight thousand, nine hundred fifty-three".