271220919557 has 8 divisors (see below), whose sum is σ = 311263699200. Its totient is φ = 231502373424.

The previous prime is 271220919547. The next prime is 271220919559. The reversal of 271220919557 is 755919022172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 271220919557 - 2⁸ = 271220919301 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 (271220919559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81056582 + ... + 81059927.

It is an arithmetic number, because the mean of its divisors is an integer number (38907962400).

Almost surely, 2^271220919557 is an apocalyptic number.

It is an amenable number.

271220919557 is a deficient number, since it is larger than the sum of its proper divisors (40042779643).

271220919557 is a wasteful number, since it uses less digits than its factorization.

271220919557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162116755.

The product of its (nonzero) digits is 793800, while the sum is 50.

The spelling of 271220919557 in words is "two hundred seventy-one billion, two hundred twenty million, nine hundred nineteen thousand, five hundred fifty-seven".