11953622841 has 8 divisors (see below), whose sum is σ = 16117244640. Its totient is φ = 7879541472.

The previous prime is 11953622833. The next prime is 11953622869. The reversal of 11953622841 is 14822635911.

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

It is not a de Polignac number, because 11953622841 - 2³ = 11953622833 is a prime.

It is a super-2 number, since 2×11953622841² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11953622793 and 11953622802.

It is not an unprimeable number, because it can be changed into a prime (11953622831) 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, 22384795 + ... + 22385328.

It is an arithmetic number, because the mean of its divisors is an integer number (2014655580).

Almost surely, 2^11953622841 is an apocalyptic number.

It is an amenable number.

11953622841 is a deficient number, since it is larger than the sum of its proper divisors (4163621799).

11953622841 is an equidigital number, since it uses as much as digits as its factorization.

11953622841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44770215.

The product of its digits is 103680, while the sum is 42.

The spelling of 11953622841 in words is "eleven billion, nine hundred fifty-three million, six hundred twenty-two thousand, eight hundred forty-one".