401667850011 has 4 divisors (see below), whose sum is σ = 535557133352. Its totient is φ = 267778566672.

The previous prime is 401667850009. The next prime is 401667850027. The reversal of 401667850011 is 110058766104.

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

It is not a de Polignac number, because 401667850011 - 2¹ = 401667850009 is a prime.

It is a super-2 number, since 2×401667850011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401667850811) 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, 66944641666 + ... + 66944641671.

It is an arithmetic number, because the mean of its divisors is an integer number (133889283338).

Almost surely, 2^401667850011 is an apocalyptic number.

401667850011 is a deficient number, since it is larger than the sum of its proper divisors (133889283341).

401667850011 is a wasteful number, since it uses less digits than its factorization.

401667850011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133889283340.

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 401667850011 in words is "four hundred one billion, six hundred sixty-seven million, eight hundred fifty thousand, eleven".