399711465111 has 48 divisors (see below), whose sum is σ = 622312668384. Its totient is φ = 227541436416.

The previous prime is 399711465047. The next prime is 399711465133. The reversal of 399711465111 is 111564117993.

It is a happy number.

It is not a de Polignac number, because 399711465111 - 2⁶ = 399711465047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399711465011) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56636895 + ... + 56643951.

It is an arithmetic number, because the mean of its divisors is an integer number (12964847258).

Almost surely, 2^399711465111 is an apocalyptic number.

399711465111 is a deficient number, since it is larger than the sum of its proper divisors (222601203273).

399711465111 is a wasteful number, since it uses less digits than its factorization.

399711465111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8480 (or 8473 counting only the distinct ones).

The product of its digits is 204120, while the sum is 48.

The spelling of 399711465111 in words is "three hundred ninety-nine billion, seven hundred eleven million, four hundred sixty-five thousand, one hundred eleven".