15420701771271 has 12 divisors (see below), whose sum is σ = 22281327410160. Its totient is φ = 10277246121120.

The previous prime is 15420701771249. The next prime is 15420701771303. The reversal of 15420701771271 is 17217710702451.

15420701771271 is a `hidden beast` number, since 1 + 5 + 4 + 207 + 0 + 177 + 1 + 271 = 666.

It is not a de Polignac number, because 15420701771271 - 2⁶ = 15420701771207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15420701772271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 268446886 + ... + 268504323.

It is an arithmetic number, because the mean of its divisors is an integer number (1856777284180).

Almost surely, 2^{15420701771271} is an apocalyptic number.

15420701771271 is a deficient number, since it is larger than the sum of its proper divisors (6860625638889).

15420701771271 is a wasteful number, since it uses less digits than its factorization.

15420701771271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536954406 (or 536954403 counting only the distinct ones).

The product of its (nonzero) digits is 192080, while the sum is 45.

The spelling of 15420701771271 in words is "fifteen trillion, four hundred twenty billion, seven hundred one million, seven hundred seventy-one thousand, two hundred seventy-one".