401135051042311 has 4 divisors (see below), whose sum is σ = 401144983364152. Its totient is φ = 401125118720472.

The previous prime is 401135051042273. The next prime is 401135051042353. The reversal of 401135051042311 is 113240150531104.

It is a happy number.

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 401135051042311 - 2²¹ = 401135048945159 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 (401135051048311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4966100340 + ... + 4966181113.

It is an arithmetic number, because the mean of its divisors is an integer number (100286245841038).

Almost surely, 2^{401135051042311} is an apocalyptic number.

401135051042311 is a deficient number, since it is larger than the sum of its proper divisors (9932321841).

401135051042311 is an equidigital number, since it uses as much as digits as its factorization.

401135051042311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9932321840.

The product of its (nonzero) digits is 7200, while the sum is 31.

The spelling of 401135051042311 in words is "four hundred one trillion, one hundred thirty-five billion, fifty-one million, forty-two thousand, three hundred eleven".