2118056425 has 6 divisors (see below), whose sum is σ = 2626389998. Its totient is φ = 1694445120.

The previous prime is 2118056419. The next prime is 2118056429. The reversal of 2118056425 is 5246508112.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 32398864 + 2085657561 = 5692^2 + 45669^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2118056425 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118056429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42361104 + ... + 42361153.

Almost surely, 2^2118056425 is an apocalyptic number.

2118056425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2118056425 is a deficient number, since it is larger than the sum of its proper divisors (508333573).

2118056425 is an equidigital number, since it uses as much as digits as its factorization.

2118056425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84722267 (or 84722262 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2118056425 is about 46022.3470175088. The cubic root of 2118056425 is about 1284.2389625297.

The spelling of 2118056425 in words is "two billion, one hundred eighteen million, fifty-six thousand, four hundred twenty-five".