11922674481 has 27 divisors (see below), whose sum is σ = 18302817793. Its totient is φ = 7477399680.

The previous prime is 11922674479. The next prime is 11922674483. The reversal of 11922674481 is 18447622911.

The square root of 11922674481 is 109191.

It is a perfect power (a square), and thus also a powerful number.

11922674481 is a `hidden beast` number, since 11 + 92 + 2 + 6 + 74 + 481 = 666.

It is an interprime number because it is at equal distance from previous prime (11922674479) and next prime (11922674483).

It can be written as a sum of positive squares in 4 ways, for example, as 6898133025 + 5024541456 = 83055^2 + 70884^2 .

It is not a de Polignac number, because 11922674481 - 2¹ = 11922674479 is a prime.

It is a super-2 number, since 2×11922674481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11922674483) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5567671 + ... + 5569811.

Almost surely, 2^11922674481 is an apocalyptic number.

11922674481 is the 109191-st square number.

11922674481 is the 54596-th centered octagonal number.

It is an amenable number.

11922674481 is a deficient number, since it is larger than the sum of its proper divisors (6380143312).

11922674481 is an frugal number, since it uses more digits than its factorization.

11922674481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4322 (or 2161 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The spelling of 11922674481 in words is "eleven billion, nine hundred twenty-two million, six hundred seventy-four thousand, four hundred eighty-one".