400056151111 has 4 divisors (see below), whose sum is σ = 400097263912. Its totient is φ = 400015038312.

The previous prime is 400056151109. The next prime is 400056151153. The reversal of 400056151111 is 111151650004.

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 400056151111 - 2¹ = 400056151109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400056451111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20541801 + ... + 20561266.

It is an arithmetic number, because the mean of its divisors is an integer number (100024315978).

Almost surely, 2^400056151111 is an apocalyptic number.

400056151111 is a deficient number, since it is larger than the sum of its proper divisors (41112801).

400056151111 is an equidigital number, since it uses as much as digits as its factorization.

400056151111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41112800.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 400056151111 in words is "four hundred billion, fifty-six million, one hundred fifty-one thousand, one hundred eleven".