15532020271 has 2 divisors, whose sum is σ = 15532020272. Its totient is φ = 15532020270.

The previous prime is 15532020253. The next prime is 15532020281. The reversal of 15532020271 is 17202023551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15532020271 - 2¹⁷ = 15531889199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15532020281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7766010135 + 7766010136.

It is an arithmetic number, because the mean of its divisors is an integer number (7766010136).

Almost surely, 2^15532020271 is an apocalyptic number.

15532020271 is a deficient number, since it is larger than the sum of its proper divisors (1).

15532020271 is an equidigital number, since it uses as much as digits as its factorization.

15532020271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The spelling of 15532020271 in words is "fifteen billion, five hundred thirty-two million, twenty thousand, two hundred seventy-one".