11621143641 has 8 divisors (see below), whose sum is σ = 16310377120. Its totient is φ = 7339669632.

The previous prime is 11621143571. The next prime is 11621143687. The reversal of 11621143641 is 14634112611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11621143641 - 2⁹ = 11621143129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11621143599 and 11621143608.

It is not an unprimeable number, because it can be changed into a prime (11621143141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101939800 + ... + 101939913.

It is an arithmetic number, because the mean of its divisors is an integer number (2038797140).

Almost surely, 2^11621143641 is an apocalyptic number.

It is an amenable number.

11621143641 is a deficient number, since it is larger than the sum of its proper divisors (4689233479).

11621143641 is a wasteful number, since it uses less digits than its factorization.

11621143641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203879735.

The product of its digits is 3456, while the sum is 30.

The spelling of 11621143641 in words is "eleven billion, six hundred twenty-one million, one hundred forty-three thousand, six hundred forty-one".