118647252647 has 30 divisors (see below), whose sum is σ = 151820031240. Its totient is φ = 92451845640.

The previous prime is 118647252587. The next prime is 118647252649. The reversal of 118647252647 is 746252746811.

It is a happy number.

It is not a de Polignac number, because 118647252647 - 2⁶ = 118647252583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118647252649) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 634718 + ... + 800100.

It is an arithmetic number, because the mean of its divisors is an integer number (5060667708).

Almost surely, 2^118647252647 is an apocalyptic number.

118647252647 is a deficient number, since it is larger than the sum of its proper divisors (33172778593).

118647252647 is an frugal number, since it uses more digits than its factorization.

118647252647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165441 (or 165401 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 53.

The spelling of 118647252647 in words is "one hundred eighteen billion, six hundred forty-seven million, two hundred fifty-two thousand, six hundred forty-seven".