355197116471 has 4 divisors (see below), whose sum is σ = 358858942512. Its totient is φ = 351535290432.

The previous prime is 355197116429. The next prime is 355197116509. The reversal of 355197116471 is 174611791553.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 355197116471 - 2¹⁰ = 355197115447 is a prime.

It is a super-3 number, since 3×355197116471³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355197146471) 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, 1830912875 + ... + 1830913068.

It is an arithmetic number, because the mean of its divisors is an integer number (89714735628).

Almost surely, 2^355197116471 is an apocalyptic number.

355197116471 is a deficient number, since it is larger than the sum of its proper divisors (3661826041).

355197116471 is an equidigital number, since it uses as much as digits as its factorization.

355197116471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661826040.

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

The spelling of 355197116471 in words is "three hundred fifty-five billion, one hundred ninety-seven million, one hundred sixteen thousand, four hundred seventy-one".