497111021271 has 24 divisors (see below), whose sum is σ = 722957554800. Its totient is φ = 329142528000.

The previous prime is 497111021269. The next prime is 497111021273. The reversal of 497111021271 is 172120111794.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (497111021269) and next prime (497111021273).

It is not a de Polignac number, because 497111021271 - 2¹ = 497111021269 is a prime.

It is a super-2 number, since 2×497111021271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (497111021273) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14104471 + ... + 14139671.

It is an arithmetic number, because the mean of its divisors is an integer number (30123231450).

Almost surely, 2^497111021271 is an apocalyptic number.

497111021271 is a deficient number, since it is larger than the sum of its proper divisors (225846533529).

497111021271 is a wasteful number, since it uses less digits than its factorization.

497111021271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45887 (or 45884 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 36.

The spelling of 497111021271 in words is "four hundred ninety-seven billion, one hundred eleven million, twenty-one thousand, two hundred seventy-one".