20114415235487 has 2 divisors, whose sum is σ = 20114415235488. Its totient is φ = 20114415235486.

The previous prime is 20114415235441. The next prime is 20114415235547. The reversal of 20114415235487 is 78453251441102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20114415235487 - 2²⁸ = 20114146800031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20114415232487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10057207617743 + 10057207617744.

It is an arithmetic number, because the mean of its divisors is an integer number (10057207617744).

Almost surely, 2^{20114415235487} is an apocalyptic number.

20114415235487 is a deficient number, since it is larger than the sum of its proper divisors (1).

20114415235487 is an equidigital number, since it uses as much as digits as its factorization.

20114415235487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1075200, while the sum is 47.

Adding to 20114415235487 its reverse (78453251441102), we get a palindrome (98567666676589).

The spelling of 20114415235487 in words is "twenty trillion, one hundred fourteen billion, four hundred fifteen million, two hundred thirty-five thousand, four hundred eighty-seven".