20116755453451 has 2 divisors, whose sum is σ = 20116755453452. Its totient is φ = 20116755453450.

The previous prime is 20116755453367. The next prime is 20116755453461. The reversal of 20116755453451 is 15435455761102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20116755453451 - 2⁷ = 20116755453323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20116755453395 and 20116755453404.

It is not a weakly prime, because it can be changed into another prime (20116755453461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058377726725 + 10058377726726.

It is an arithmetic number, because the mean of its divisors is an integer number (10058377726726).

Almost surely, 2^{20116755453451} is an apocalyptic number.

20116755453451 is a deficient number, since it is larger than the sum of its proper divisors (1).

20116755453451 is an equidigital number, since it uses as much as digits as its factorization.

20116755453451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 20116755453451 in words is "twenty trillion, one hundred sixteen billion, seven hundred fifty-five million, four hundred fifty-three thousand, four hundred fifty-one".