15455271671 has 4 divisors (see below), whose sum is σ = 17663167632. Its totient is φ = 13247375712.

The previous prime is 15455271661. The next prime is 15455271677. The reversal of 15455271671 is 17617255451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17617255451 = 61703 ⋅285517.

It is a cyclic number.

It is not a de Polignac number, because 15455271671 - 2⁶ = 15455271607 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 (15455271677) 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, 1103947970 + ... + 1103947983.

It is an arithmetic number, because the mean of its divisors is an integer number (4415791908).

Almost surely, 2^15455271671 is an apocalyptic number.

15455271671 is a deficient number, since it is larger than the sum of its proper divisors (2207895961).

15455271671 is an equidigital number, since it uses as much as digits as its factorization.

15455271671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207895960.

The product of its digits is 294000, while the sum is 44.

The spelling of 15455271671 in words is "fifteen billion, four hundred fifty-five million, two hundred seventy-one thousand, six hundred seventy-one".