40011411523 has 4 divisors (see below), whose sum is σ = 40021735600. Its totient is φ = 40001087448.

The previous prime is 40011411521. The next prime is 40011411553. The reversal of 40011411523 is 32511411004.

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 40011411523 - 2¹ = 40011411521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40011411494 and 40011411503.

It is not an unprimeable number, because it can be changed into a prime (40011411521) 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, 5156223 + ... + 5163976.

It is an arithmetic number, because the mean of its divisors is an integer number (10005433900).

Almost surely, 2^40011411523 is an apocalyptic number.

40011411523 is a deficient number, since it is larger than the sum of its proper divisors (10324077).

40011411523 is a wasteful number, since it uses less digits than its factorization.

40011411523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10324076.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 40011411523 its reverse (32511411004), we get a palindrome (72522822527).

The spelling of 40011411523 in words is "forty billion, eleven million, four hundred eleven thousand, five hundred twenty-three".