11622216451 has 4 divisors (see below), whose sum is σ = 11728842400. Its totient is φ = 11515590504.

The previous prime is 11622216443. The next prime is 11622216499. The reversal of 11622216451 is 15461222611.

It is a happy number.

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 11622216451 - 2³ = 11622216443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11662216451) 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, 53312811 + ... + 53313028.

It is an arithmetic number, because the mean of its divisors is an integer number (2932210600).

Almost surely, 2^11622216451 is an apocalyptic number.

11622216451 is a deficient number, since it is larger than the sum of its proper divisors (106625949).

11622216451 is a wasteful number, since it uses less digits than its factorization.

11622216451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106625948.

The product of its digits is 5760, while the sum is 31.

The spelling of 11622216451 in words is "eleven billion, six hundred twenty-two million, two hundred sixteen thousand, four hundred fifty-one".