20116650253151 has 4 divisors (see below), whose sum is σ = 20446431404904. Its totient is φ = 19786869101400.

The previous prime is 20116650253033. The next prime is 20116650253153. The reversal of 20116650253151 is 15135205661102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20116650253151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20116650253153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164890575785 + ... + 164890575906.

It is an arithmetic number, because the mean of its divisors is an integer number (5111607851226).

Almost surely, 2^{20116650253151} is an apocalyptic number.

20116650253151 is a deficient number, since it is larger than the sum of its proper divisors (329781151753).

20116650253151 is an equidigital number, since it uses as much as digits as its factorization.

20116650253151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329781151752.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 20116650253151 in words is "twenty trillion, one hundred sixteen billion, six hundred fifty million, two hundred fifty-three thousand, one hundred fifty-one".