401511541311 has 12 divisors (see below), whose sum is σ = 579967132888. Its totient is φ = 267671583504.

The previous prime is 401511541309. The next prime is 401511541399. The reversal of 401511541311 is 113145115104.

It is a happy number.

401511541311 is a `hidden beast` number, since 40 + 1 + 51 + 1 + 541 + 31 + 1 = 666.

It is not a de Polignac number, because 401511541311 - 2¹ = 401511541309 is a prime.

It is a super-2 number, since 2×401511541311² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401511546311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068276 + ... + 1394358.

Almost surely, 2^401511541311 is an apocalyptic number.

401511541311 is a deficient number, since it is larger than the sum of its proper divisors (178455591577).

401511541311 is a wasteful number, since it uses less digits than its factorization.

401511541311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462902 (or 462899 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 27.

Adding to 401511541311 its reverse (113145115104), we get a palindrome (514656656415).

The spelling of 401511541311 in words is "four hundred one billion, five hundred eleven million, five hundred forty-one thousand, three hundred eleven".