11898728215271 has 2 divisors, whose sum is σ = 11898728215272. Its totient is φ = 11898728215270.

The previous prime is 11898728215223. The next prime is 11898728215277. The reversal of 11898728215271 is 17251282789811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11898728215271 - 2⁶ = 11898728215207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11898728215277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5949364107635 + 5949364107636.

It is an arithmetic number, because the mean of its divisors is an integer number (5949364107636).

Almost surely, 2^{11898728215271} is an apocalyptic number.

11898728215271 is a deficient number, since it is larger than the sum of its proper divisors (1).

11898728215271 is an equidigital number, since it uses as much as digits as its factorization.

11898728215271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9031680, while the sum is 62.

The spelling of 11898728215271 in words is "eleven trillion, eight hundred ninety-eight billion, seven hundred twenty-eight million, two hundred fifteen thousand, two hundred seventy-one".