11621040072341 has 6 divisors (see below), whose sum is σ = 13518352737270. Its totient is φ = 9960891490536.

The previous prime is 11621040072337. The next prime is 11621040072353. The reversal of 11621040072341 is 14327004012611.

It can be written as a sum of positive squares in only one way, i.e., 7302582024241 + 4318458048100 = 2702329^2 + 2078090^2 .

It is not a de Polignac number, because 11621040072341 - 2² = 11621040072337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11621040072298 and 11621040072307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11621040072311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118582041506 + ... + 118582041603.

It is an arithmetic number, because the mean of its divisors is an integer number (2253058789545).

Almost surely, 2^{11621040072341} is an apocalyptic number.

It is an amenable number.

11621040072341 is a deficient number, since it is larger than the sum of its proper divisors (1897312664929).

11621040072341 is an equidigital number, since it uses as much as digits as its factorization.

11621040072341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237164083123 (or 237164083116 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 11621040072341 its reverse (14327004012611), we get a palindrome (25948044084952).

The spelling of 11621040072341 in words is "eleven trillion, six hundred twenty-one billion, forty million, seventy-two thousand, three hundred forty-one".