11642226453 has 96 divisors (see below), whose sum is σ = 20485745280. Its totient is φ = 6276165120.

The previous prime is 11642226451. The next prime is 11642226461. The reversal of 11642226453 is 35462224611.

11642226453 is a `hidden beast` number, since 1 + 1 + 6 + 4 + 2 + 2 + 2 + 645 + 3 = 666.

It is not a de Polignac number, because 11642226453 - 2¹ = 11642226451 is a prime.

It is a super-2 number, since 2×11642226453² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11642226451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5189350 + ... + 5191592.

It is an arithmetic number, because the mean of its divisors is an integer number (213393180).

Almost surely, 2^11642226453 is an apocalyptic number.

11642226453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11642226453 is a deficient number, since it is larger than the sum of its proper divisors (8843518827).

11642226453 is a wasteful number, since it uses less digits than its factorization.

11642226453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2419 (or 2416 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The spelling of 11642226453 in words is "eleven billion, six hundred forty-two million, two hundred twenty-six thousand, four hundred fifty-three".