2118770953345 has 8 divisors (see below), whose sum is σ = 2546061344640. Its totient is φ = 1692659295600.

The previous prime is 2118770953333. The next prime is 2118770953349. The reversal of 2118770953345 is 5433590778112.

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

It is not a de Polignac number, because 2118770953345 - 2¹⁹ = 2118770429057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2118770953349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294679431 + ... + 294686620.

It is an arithmetic number, because the mean of its divisors is an integer number (318257668080).

Almost surely, 2^{2118770953345} is an apocalyptic number.

It is an amenable number.

2118770953345 is a deficient number, since it is larger than the sum of its proper divisors (427290391295).

2118770953345 is an equidigital number, since it uses as much as digits as its factorization.

2118770953345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589366775.

The product of its (nonzero) digits is 6350400, while the sum is 55.

The spelling of 2118770953345 in words is "two trillion, one hundred eighteen billion, seven hundred seventy million, nine hundred fifty-three thousand, three hundred forty-five".