11622144087 has 16 divisors (see below), whose sum is σ = 17509824000. Its totient is φ = 7616771352.

The previous prime is 11622144031. The next prime is 11622144091. The reversal of 11622144087 is 78044122611.

It is a happy number.

11622144087 is a `hidden beast` number, since 11 + 622 + 14 + 4 + 0 + 8 + 7 = 666.

It is not a de Polignac number, because 11622144087 - 2¹⁰ = 11622143063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622144887) 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, 3646287 + ... + 3649472.

It is an arithmetic number, because the mean of its divisors is an integer number (1094364000).

Almost surely, 2^11622144087 is an apocalyptic number.

11622144087 is a deficient number, since it is larger than the sum of its proper divisors (5887679913).

11622144087 is an equidigital number, since it uses as much as digits as its factorization.

11622144087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7295827 (or 7295821 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

Adding to 11622144087 its reverse (78044122611), we get a palindrome (89666266698).

The spelling of 11622144087 in words is "eleven billion, six hundred twenty-two million, one hundred forty-four thousand, eighty-seven".