11405211411 has 16 divisors (see below), whose sum is σ = 17310677760. Its totient is φ = 6611716320.

The previous prime is 11405211383. The next prime is 11405211439. The reversal of 11405211411 is 11411250411.

It is an interprime number because it is at equal distance from previous prime (11405211383) and next prime (11405211439).

It is not a de Polignac number, because 11405211411 - 2⁶ = 11405211347 is a prime.

It is a super-2 number, since 2×11405211411² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11405211911) 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, 7512556 + ... + 7514073.

It is an arithmetic number, because the mean of its divisors is an integer number (1081917360).

Almost surely, 2^11405211411 is an apocalyptic number.

11405211411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11405211411 is a deficient number, since it is larger than the sum of its proper divisors (5905466349).

11405211411 is a wasteful number, since it uses less digits than its factorization.

11405211411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15026666.

The product of its (nonzero) digits is 160, while the sum is 21.

Adding to 11405211411 its reverse (11411250411), we get a palindrome (22816461822).

The spelling of 11405211411 in words is "eleven billion, four hundred five million, two hundred eleven thousand, four hundred eleven".