118640541373 has 2 divisors, whose sum is σ = 118640541374. Its totient is φ = 118640541372.

The previous prime is 118640541293. The next prime is 118640541401. The reversal of 118640541373 is 373145046811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77296232484 + 41344308889 = 278022^2 + 203333^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118640541373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118640541073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59320270686 + 59320270687.

It is an arithmetic number, because the mean of its divisors is an integer number (59320270687).

Almost surely, 2^118640541373 is an apocalyptic number.

It is an amenable number.

118640541373 is a deficient number, since it is larger than the sum of its proper divisors (1).

118640541373 is an equidigital number, since it uses as much as digits as its factorization.

118640541373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 118640541373 in words is "one hundred eighteen billion, six hundred forty million, five hundred forty-one thousand, three hundred seventy-three".