11621074043 has 4 divisors (see below), whose sum is σ = 11679471600. Its totient is φ = 11562676488.

The previous prime is 11621074033. The next prime is 11621074133. The reversal of 11621074043 is 34047012611.

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 11621074043 - 2¹⁰ = 11621073019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11621073997 and 11621074015.

It is not an unprimeable number, because it can be changed into a prime (11621074033) 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, 29198480 + ... + 29198877.

It is an arithmetic number, because the mean of its divisors is an integer number (2919867900).

Almost surely, 2^11621074043 is an apocalyptic number.

11621074043 is a deficient number, since it is larger than the sum of its proper divisors (58397557).

11621074043 is an equidigital number, since it uses as much as digits as its factorization.

11621074043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58397556.

The product of its (nonzero) digits is 4032, while the sum is 29.

Adding to 11621074043 its reverse (34047012611), we get a palindrome (45668086654).

The spelling of 11621074043 in words is "eleven billion, six hundred twenty-one million, seventy-four thousand, forty-three".