401111513 has 16 divisors (see below), whose sum is σ = 463435776. Its totient is φ = 343572240.

The previous prime is 401111509. The next prime is 401111521. The reversal of 401111513 is 315111104.

It is not a de Polignac number, because 401111513 - 2² = 401111509 is a prime.

It is a super-2 number, since 2×401111513² = 321780891722298338, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401111491 and 401111500.

It is not an unprimeable number, because it can be changed into a prime (401117513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5120 + ... + 28782.

It is an arithmetic number, because the mean of its divisors is an integer number (28964736).

Almost surely, 2^401111513 is an apocalyptic number.

It is an amenable number.

401111513 is a deficient number, since it is larger than the sum of its proper divisors (62324263).

401111513 is a wasteful number, since it uses less digits than its factorization.

401111513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23764.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 401111513 is about 20027.7685476940. The cubic root of 401111513 is about 737.4881433697.

Adding to 401111513 its reverse (315111104), we get a palindrome (716222617).

The spelling of 401111513 in words is "four hundred one million, one hundred eleven thousand, five hundred thirteen".