2118465695026 has 4 divisors (see below), whose sum is σ = 3177698542542. Its totient is φ = 1059232847512.

The previous prime is 2118465694973. The next prime is 2118465695033. The reversal of 2118465695026 is 6205965648112.

It is a happy number.

It is a Cunningham number, because it is equal to 1455495²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2118465695025 + 1 = 1455495^2 + 1^2 .

It is a super-2 number, since 2×2118465695026² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529616423755 + ... + 529616423758.

Almost surely, 2^{2118465695026} is an apocalyptic number.

2118465695026 is a deficient number, since it is larger than the sum of its proper divisors (1059232847516).

2118465695026 is a wasteful number, since it uses less digits than its factorization.

2118465695026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059232847515.

The product of its (nonzero) digits is 6220800, while the sum is 55.

The spelling of 2118465695026 in words is "two trillion, one hundred eighteen billion, four hundred sixty-five million, six hundred ninety-five thousand, twenty-six".