11411276421 has 16 divisors (see below), whose sum is σ = 15882324480. Its totient is φ = 7279388160.

The previous prime is 11411276369. The next prime is 11411276431. The reversal of 11411276421 is 12467211411.

It is a happy number.

It is not a de Polignac number, because 11411276421 - 2¹³ = 11411268229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411276431) 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, 681060 + ... + 697613.

It is an arithmetic number, because the mean of its divisors is an integer number (992645280).

Almost surely, 2^11411276421 is an apocalyptic number.

It is an amenable number.

11411276421 is a deficient number, since it is larger than the sum of its proper divisors (4471048059).

11411276421 is a wasteful number, since it uses less digits than its factorization.

11411276421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378796.

The product of its digits is 2688, while the sum is 30.

Adding to 11411276421 its reverse (12467211411), we get a palindrome (23878487832).

The spelling of 11411276421 in words is "eleven billion, four hundred eleven million, two hundred seventy-six thousand, four hundred twenty-one".