11626445481 has 16 divisors (see below), whose sum is σ = 18148599168. Its totient is φ = 6481641600.

The previous prime is 11626445461. The next prime is 11626445489. The reversal of 11626445481 is 18454462611.

It is not a de Polignac number, because 11626445481 - 2⁵ = 11626445449 is a prime.

It is a super-2 number, since 2×11626445481² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11626445489) 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, 6750850 + ... + 6752571.

It is an arithmetic number, because the mean of its divisors is an integer number (1134287448).

Almost surely, 2^11626445481 is an apocalyptic number.

It is an amenable number.

11626445481 is a deficient number, since it is larger than the sum of its proper divisors (6522153687).

11626445481 is a wasteful number, since it uses less digits than its factorization.

11626445481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13503472.

The product of its digits is 184320, while the sum is 42.

The spelling of 11626445481 in words is "eleven billion, six hundred twenty-six million, four hundred forty-five thousand, four hundred eighty-one".