11147673621 has 16 divisors (see below), whose sum is σ = 16990300800. Its totient is φ = 6368835648.

The previous prime is 11147673613. The next prime is 11147673629. The reversal of 11147673621 is 12637674111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11147673613) and next prime (11147673629).

It is not a de Polignac number, because 11147673621 - 2³ = 11147673613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11147673621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11147673629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61495 + ... + 161483.

It is an arithmetic number, because the mean of its divisors is an integer number (1061893800).

Almost surely, 2^11147673621 is an apocalyptic number.

It is an amenable number.

11147673621 is a deficient number, since it is larger than the sum of its proper divisors (5842627179).

11147673621 is an equidigital number, since it uses as much as digits as its factorization.

11147673621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105308.

The product of its digits is 42336, while the sum is 39.

It can be divided in two parts, 111476736 and 21, that multiplied together give a square (2341011456 = 48384²).

The spelling of 11147673621 in words is "eleven billion, one hundred forty-seven million, six hundred seventy-three thousand, six hundred twenty-one".