671272501100 has 18 divisors (see below), whose sum is σ = 1456661327604. Its totient is φ = 268509000400.

The previous prime is 671272501069. The next prime is 671272501169. The reversal of 671272501100 is 1105272176.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3356362406 + ... + 3356362605.

Almost surely, 2^671272501100 is an apocalyptic number.

It is an amenable number.

671272501100 is an abundant number, since it is smaller than the sum of its proper divisors (785388826504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

671272501100 is a wasteful number, since it uses less digits than its factorization.

671272501100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712725025 (or 6712725018 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 671272501100 its reverse (1105272176), we get a palindrome (672377773276).

The spelling of 671272501100 in words is "six hundred seventy-one billion, two hundred seventy-two million, five hundred one thousand, one hundred".