20111414203987 has 2 divisors, whose sum is σ = 20111414203988. Its totient is φ = 20111414203986.

The previous prime is 20111414203981. The next prime is 20111414204009. The reversal of 20111414203987 is 78930241411102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20111414203987 - 2⁴³ = 11315321181779 is a prime.

It is not a weakly prime, because it can be changed into another prime (20111414203981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055707101993 + 10055707101994.

It is an arithmetic number, because the mean of its divisors is an integer number (10055707101994).

Almost surely, 2^{20111414203987} is an apocalyptic number.

20111414203987 is a deficient number, since it is larger than the sum of its proper divisors (1).

20111414203987 is an equidigital number, since it uses as much as digits as its factorization.

20111414203987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 20111414203987 in words is "twenty trillion, one hundred eleven billion, four hundred fourteen million, two hundred three thousand, nine hundred eighty-seven".