118949261313 has 32 divisors (see below), whose sum is σ = 163232948736. Its totient is φ = 77005329408.

The previous prime is 118949261297. The next prime is 118949261317. The reversal of 118949261313 is 313162949811.

It is not a de Polignac number, because 118949261313 - 2⁴ = 118949261297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118949261317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17045281 + ... + 17052257.

It is an arithmetic number, because the mean of its divisors is an integer number (5101029648).

Almost surely, 2^118949261313 is an apocalyptic number.

It is an amenable number.

118949261313 is a deficient number, since it is larger than the sum of its proper divisors (44283687423).

118949261313 is a wasteful number, since it uses less digits than its factorization.

118949261313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7773.

The product of its digits is 279936, while the sum is 48.

The spelling of 118949261313 in words is "one hundred eighteen billion, nine hundred forty-nine million, two hundred sixty-one thousand, three hundred thirteen".